The integrity of food contact materials (FCMs) is paramount in safeguarding consumer health. Regulatory bodies and industry stakeholders recognize the critical role these materials play in maintaining food quality and safety. A fundamental aspect of FCM evaluation is the assessment of overall migration, a process designed to quantify the potential transfer of non-volatile substances from packaging and containers into food.
Overall migration refers to the determination of the total quantity of non-volatile constituents that may migrate from an FCM into food simulants under defined conditions. The evaluation of overall migration is integral to ensuring compliance with regulatory standards, which mandate that FCMs do not release substances into food in quantities that could pose a risk to human health. Regulatory agencies establish Overall Migration Limits (OMLs), typically expressed in milligrams of migrants per square decimeter (mg/dm²), to define acceptable levels of substance transfer.
To accurately simulate food contact scenarios, standardized food simulants are employed. These simulants mimic the properties of various food types, including aqueous, acidic, fatty, and alcoholic matrices. Testing protocols involve exposing FCM samples to the appropriate simulant under precisely controlled conditions of temperature and time, reflecting realistic or worst-case usage scenarios. Subsequent analysis of the simulant involves the quantification of non-volatile migrants, often achieved through evaporative techniques and gravimetric determination.
Labthink C840H Integrated Evaporation Residue Testing System is designed and produced based on the principle of gravimetric method measurement and testing standards for plastic packaging and chemical reagents, etc. It is suitable for the determinations of evaporation residue of food or pharmaceutical packaging, total migration of food contact or pharmaceutical contact materials or products, and evaporation residue of chemical reagents and purified water.
Overall migration testing constitutes a vital component of a comprehensive FCM safety assessment. In conjunction with specific migration analyses and other toxicological evaluations, it provides a robust framework for ensuring the safety and suitability of materials intended for food contact applications. Through rigorous adherence to established methodologies and regulatory standards, industry stakeholders and regulatory authorities work collaboratively to protect consumer health and maintain the integrity of the food supply chain.
Crispy snacks are a universally loved treat, and they come in a vast array of forms. The satisfying snap of a potato chip, the airy pop of popcorn, the salty bite of a pretzel – these are the hallmarks of a beloved crispy snack. Maintaining crispy snack perfection from factory to consumer relies on precise packaging and quality control.
Crispy snacks are vulnerable to moisture and oxygen. Moisture turns them soggy, oxygen renders them rancid, and physical pressure crushes them into crumbs. Thus, the packaging must act as an impenetrable shield, safeguarding the snack's integrity. This means the packaging must protect the snacks from factors like moisture, oxygen, and physical damage.
Crispy snack packaging commonly utilizes multi-layered films like MET PET/BOPP for light and oxygen barriers, and PE for moisture protection. EVOH and aluminum foil provide superior defense for sensitive snacks. Stand-up pouches offer convenience using these films, while coated paper serves niche applications.
To guarantee packaging protects the snack's crunch, rigorous testing is essential. Barrier Testing involves precise measurement of moisture vapor transmission rate (MVTR) and oxygen transmission rate (OTR) through the packaging material, utilizing specialized chambers and sensors. These simulations replicate real-world storage conditions, quantifying how effectively the packaging resists moisture and oxygen ingress, crucial factors in preventing sogginess and rancidity. Subsequent tests include seal strength test which ensures robust seams to prevent leaks and maintain airtightness and tensile strength test measuring tear resistance for transport durability.
Labthink C403H Oxygen /Water Vapor Transmission Rate Test System is based on the testing principle of Coulometric oxygen sensor and infrared water vapor sensor. It is designed and manufactured according to ASTM D3985、ASTM F1249，ISO 15106-2 and other relevant standards to provide high precision and high efficiency oxygen and water vapor transmission rate tests for high and medium gas barrier materials. It is suitable for testing the oxygen and water vapor transmission performance of films, sheets and related materials in the fields of food, medicine, medical devices, daily chemicals, photovoltaic, electronic and many others.
As consumer demands evolve, so too does packaging technology. Sustainable materials, enhanced barrier properties, and intelligent packaging solutions are on the horizon. By maintaining a relentless focus on quality control, manufacturers can ensure that every bag, pouch, or container delivers the satisfying crunch that consumers crave. In the world of crispy snacks, the packaging isn't just a wrapper; it's a vital component of the eating experience.
Moisture-sensitive devices, the delicate hearts of modern electronics, are vulnerable to the insidious threat of humidity. Semiconductors, printed circuit boards (PCBs), and surface-mount LED devices can suffer corrosion, delamination, and electrical degradation when exposed to excessive moisture. To combat this, moisture barrier packaging is indispensable, but their efficacy hinges on stringent testing.
Moisture-sensitive devices are often hygroscopic, readily absorb ambient moisture. During reflow soldering, this absorbed moisture can vaporize explosively, leading to "popcorning" – a catastrophic failure where the device's package bursts. Even without such dramatic failures, moisture can cause subtle but equally damaging corrosion and electrical degradation.
Moisture barrier packaging acts as a crucial barrier, creating a low-humidity environment for storing and transporting moisture-sensitive devices. Constructed from multiple laminated layers, including aluminum foil and polymer films, these bags are designed to minimize moisture vapor transmission. However, their effectiveness is not guaranteed; it must be verified through rigorous testing.
To ensure Moisture barrier packaging meets the demanding requirements of moisture-sensitive devices protection, a battery of tests is conducted:
Moisture Vapor Transmission Rate (MVTR):
This paramount test, often performed according to ASTM F1249, quantifies the amount of moisture that permeates the bag's material over time. A low MVTR is critical, indicating superior moisture protection.
Puncture Resistance:
Handling and shipping can expose bags to sharp objects. Tests measure the bag's ability to withstand punctures, safeguarding against breaches in the moisture barrier.
Seal Strength:
The integrity of heat seals is paramount. Tests evaluate the strength of these seals, ensuring they can withstand stress without failing and allowing moisture to enter.
Integrity Testing:
Pinholes and other defects can compromise the bag's barrier. Leak tests, such as submerging the bag in water, are employed to identify any leaks.
Labthink C390H Water Vapor Transmission Rate Test System is designed and manufactured based on infrared sensor method and conforms to the requirements of ISO 15106-2 and ASTM F1249. This instrument can be used to measure the water vapor transmission rate of barrier materials with high, and medium moisture barrier properties with a wide testing range and high testing efficiency. The instrument is featured with patented design of integrated block consisting of 3 test cells. Equipped with high precision sensors and professional computer-controlled system, the instrument can regulate and control the temperature, humidity and flow rate precisely, which guarantee the testing sensitivity and repeatability of test results. C390H is applicable to determination of water vapor permeability of plastic films, sheeting, paper, packages and other relative packaging materials in food, pharmaceutical, medical apparatus, consumer goods, photovoltaic and electronic industries, etc.
By subjecting the moisture barrier packaging to rigorous testing and adhering to best practices, manufacturers and users can ensure the dry deliverance of moisture-sensitive devices, safeguarding their integrity and reliability. In the intricate world of electronics, where even a trace of moisture can be catastrophic, these tests are not mere formalities; they are the guardians of quality.
Lyophilized drugs, also known as freeze-dried drugs, are medicines that have been preserved by removing water from them through a process called freeze-drying. They are often used in situations where long-term storage or transportation is necessary, such as in remote areas or developing countries.
One of the challenges of using lyophilized drugs is ensuring that the vials they are packaged in remain intact. If the vials are damaged, the drug inside can become contaminated, which can lead to serious health problems. To address this issue, a promising non-destructive vacuum decay method commonly applied for testing the integrity of lyophilized drug vials.
The vacuum decay test is a non-destructive method that measures the change in pressure within an evacuated chamber containing the test package. The essential non-destructive vacuum decay leak testing method and its applications are standardized in ASTM F2338-09(2020). In essence, the package is placed in a vacuum chamber, and any leaks are detected by the escape of gas or vapor from the package, causing a rise in pressure within the chamber.
The test can detect leaks of varying sizes, depending on the package type, with the ability to identify holes as small as 5 μm in rigid packages. This sensitivity is crucial for applications where even minute leaks can have significant consequences.
Labthink C690H Nondestructive Package Leak Detector is based on the testing principle of the vacuum decay method, designed and manufactured according to ASTM F2338 and other standards. It is professionally suitable for batch sealing leak detection of vials, and trace leakage detection of ampoule, cartridge bottles, infusion bottles, prefilled syringes and other pharmaceutical packaging.
In conclusion, non-destructive vacuum decay leak testing is an indispensable tool for pharmaceutical and other industries where product integrity is paramount. Its ability to accurately and non-invasively detect leaks makes it a crucial component of quality control and assurance processes, safeguarding product quality and consumer safety.
When it comes to packaging spices, the primary goal is to protect them from moisture, air, and light, all of which can degrade their quality. Several packaging options are commonly used to achieve this.
Plastic containers made from PET (polyethylene terephthalate) are commonly used for spice due to their lightweight durability and effective moisture barrier properties. Flexible pouches, especially stand-up pouches with resealable zippers, are increasingly favored for their space efficiency and ability to incorporate barrier layers that shield against both moisture and air. Additionally, traditional choices like glass jars and metal tins remain prevalent, valued for their ability to create an airtight seal and preserve the spices' freshness.
To effectively preserve the quality of spices, their packaging must possess several crucial properties. First of all, the packaging must have a robust moisture barrier. Spices are inherently vulnerable to moisture absorption, which can lead to undesirable effects like caking, clumping, and the proliferation of mold or bacteria. Consequently, the packaging must effectively prevent any moisture from penetrating and compromising the product.
Furthermore, an effective oxygen barrier is essential. Exposure to oxygen triggers oxidation, a process that diminishes the flavor and aroma of spices. Therefore, packaging that minimizes oxygen permeability is crucial for preserving their freshness and potency.
Beyond these protective functions, the packaging must also possess durability and strength to withstand the stresses of transportation and handling. The packaging materials must be food-grade, free from any harmful chemicals to ensure food safety.
Ensuring the quality of spice packaging involves a range of tests.
Barrier Properties: Moisture Vapor Transmission Rate (MVTR) test measures how much moisture passes through the packaging material over a specific time. Oxygen Transmission Rate (OTR) test determines how much oxygen permeates the packaging, crucial for preventing oxidation.
Tensile Strength and Durability: These tests assess the packaging's resistance to tearing, puncturing, and other physical stresses, ensuring it can withstand handling and transportation.
Seal Integrity: Leak tests are performed to verify that seals are airtight, preventing moisture and oxygen ingress.
Food Safety Compliance: Migration testing: This is done to ensure no harmful chemicals from the packaging materials migrate into the spices.
Labthink C406H Oxygen /Water Vapor Transmission Rate Test System is based on the testing principle of Coulometric oxygen sensor and infrared water vapor sensor. It is designed and manufactured according to ASTM D3985、ASTM F1249，ISO 15106-2 and other relevant standards to provide high precision and high efficiency oxygen and water vapor transmission rate tests for high and medium gas barrier materials. It is suitable for testing the oxygen and water vapor transmission performance of films, sheets and related materials in the fields of food, medicine, medical devices, daily chemicals, photovoltaic, electronic and many others.
By implementing these rigorous testing procedures, spice manufacturers can ensure that their packaging effectively protects the delicate qualities of their products, delivering fresh and flavorful spices to consumers.
In industries where product integrity is paramount, particularly pharmaceuticals, medical devices, and food, the reliability of packaging is non-negotiable. Leaks, even microscopic ones, can compromise sterility, freshness, and overall product safety, leading to significant consequences. Leaks in packaging can allow the ingress of unwanted gases, harmful microorganisms, or particulate contaminants. This can lead to product degradation, spoilage, or even pose health risks. Therefore, the ability to accurately and reliably detect leaks is essential for maintaining product quality and consistency. The vacuum decay test is a reliable quality control measure.
The vacuum decay test is a non-destructive method that measures the change in pressure within an evacuated chamber containing the test package. The essential non-destructive vacuum decay leak testing method and its applications are standardized in ASTM F2338-09(2020). In essence, the package is placed in a vacuum chamber, and any leaks are detected by the escape of gas or vapor from the package, causing a rise in pressure within the chamber.
This test method is highly versatile and applicable to a wide range of packaging types, including:
Rigid and semi-rigid non-lidded trays: Detecting defects in the tray walls.
Rigid, nonporous packages: Ensuring the integrity of containers like plastic bottles and glass syringes, injection Bottles, vials, cartridges, sealed cups, ampoules
Flexible, nonporous packages: Validating the seal integrity of pouches and bags.
The test can detect leaks of varying sizes, depending on the package type, with the ability to identify holes as small as 5 μm in rigid packages. This sensitivity is crucial for applications where even minute leaks can have significant consequences.
The vacuum decay test is not only a reliable quality control measure but also a valuable research tool. It allows for the optimization of package sealing parameters and the comparative evaluation of different packaging materials. Its non-destructive nature makes it suitable for both online testing and statistical sampling in production settings, minimizing waste and maximizing efficiency.
The ASTM F2338-09(2020) standard provides a framework for conducting this test, ensuring consistency and reliability across different applications. By adhering to these standards, manufacturers can confidently guarantee the integrity of their packaging and, ultimately, the quality of their products.
Labthink C690H Nondestructive Package Leak Detector is based on the testing principle of the vacuum decay method, designed and manufactured according to ASTM F2338 and other standards. It is professionally suitable for batch sealing leak detection of vials, and trace leakage detection of ampoule, cartridge bottles, infusion bottles, prefilled syringes and other pharmaceutical packaging.
In conclusion, non-destructive vacuum decay leak testing is an indispensable tool for industries where product integrity is paramount. Its ability to accurately and non-invasively detect leaks makes it a crucial component of quality control and assurance processes, safeguarding product quality and consumer safety.
Medical diagnostic kits containing oxygen-sensitive components necessitate packaging with robust moisture and oxygen barriers to ensure the accuracy and reliability of their diagnostic tools. Oxygen and moisture can degrade sensitive reagents and sensors, leading to inaccurate results. Materials such as barrier foil laminates, flexible barrier films, foil pouches, rigid plastics (HDPE, LDPE, PP, PS), and glass vials or ampoules are commonly employed.
To maintain product integrity, packaging for these kits must incorporate features like tamper-evident seals, easy-peel designs, and durable construction, especially when protecting sensitive electronic components. To verify these properties, packaging materials undergo rigorous testing.
Oxygen permeation testing measures the rate at which oxygen passes through the packaging, crucial for oxygen-sensitive components, while moisture vapor transmission rate testing determines the material's resistance to moisture ingress.
Labthink C406H Oxygen /Water Vapor Transmission Rate Test System is based on the testing principle of Coulometric oxygen sensor and infrared water vapor sensor. It is designed and manufactured according to ASTM D3985、ASTM F1249，ISO 15106-2 and other relevant standards to provide high precision and high efficiency oxygen and water vapor transmission rate tests for high and medium gas barrier materials. It is suitable for testing the oxygen and water vapor transmission performance of films, sheets and related materials in the fields of food, medicine, medical devices, daily chemicals, photovoltaic, electronic and many others.
The sterile barrier integrity and the physical performance are thoroughly evaluated as well. For instance, tensile strength and elongation tests assess the material's ability to withstand stretching and pulling.
By conducting these comprehensive tests, manufacturers can confidently ensure that the packaging safeguards the medical oxygen diagnostic kits, preserving their safety and performance throughout their intended shelf life.
Drug-coated stents (DCS) have transformed the treatment of coronary artery disease, significantly reducing the risk of re-narrowing after angioplasty. The effectiveness of these life-saving devices depends not only on their intricate design and controlled drug delivery, but also critically on the integrity of their packaging.
Given the inherent sensitivity of the drug coating, drug-coated stents packaging is of paramount importance. It must provide a robust shield against environmental factors, notably moisture and oxygen, which can degrade the drug and compromise its therapeutic efficacy, and maintain sterility as drug-coated stents are implanted medical devices susceptible to contamination.
DCS packaging employs a combination of specialized materials designed to ensure both protection and sterility. Foil pouches, renowned for their exceptional barrier properties, are frequently utilized to effectively prevent moisture and oxygen ingress. Thermoformed trays are employed to securely hold and protect the delicate stent from physical damage during storage and transport. Medical-grade polymers are used for internal trays and protective layers, adding an extra layer of safeguarding for the sensitive device.
To guarantee the safety and efficacy of DCS, their packaging must adhere to stringent quality standards. The packaging must exhibit exceptional barrier properties, effectively preventing moisture and oxygen from permeating and degrading the drug coating. The packaging must provide robust physical protection, safeguarding the delicate stent from damage during storage and transport.
To validate these requirements, rigorous testing is conducted, focusing on:
Moisture Vapor Transmission Rate (MVTR): This test quantifies the rate at which water vapor permeates the packaging material, directly assessing its effectiveness in preventing moisture from reaching and potentially degrading the sensitive drug coating on the stent.
Oxygen Transmission Rate (OTR): This test quantifies the rate at which oxygen passes through the packaging.It ensures the packaging's effectiveness in preventing oxidation and degradation of the drug.
Seal Integrity Testing confirms the strength and reliability of the packaging seals.Methods like dye penetration, burst testing, and vacuum leak testing are employed.
These tests, conducted under controlled conditions, provide critical data to ensure the packaging's ability to maintain the stability and efficacy of the DCS throughout its shelf life.
Labthink C403H Oxygen /Water Vapor Transmission Rate Test System is based on the testing principle of Coulometric oxygen sensor and infrared water vapor sensor. It is designed and manufactured according to ASTM D3985、ASTM F1249，ISO 15106-2 and others to provide high precision and high efficiency OTR and WVTR tests for high barrier materials. It is suitable for testing the oxygen and water vapor transmission performance of films, sheets and related materials in the fields of food, medicine and medical devices.
Drug-coated stents represent a significant advancement in interventional cardiology. Rigorous barrier testing and adherence to stringent quality requirements are essential to ensure these life-saving devices reach patients in optimal condition, delivering the intended therapeutic benefit.
Maintaining the integrity of sealed containers is vital for product safety and efficacy. Non-destructive methods like vacuum decay and pressure decay testing offer reliable solutions without damaging the contents.
Non-Destructive Leak Testing Methods: Vacuum Decay and Pressure Decay
Two prominent non-destructive methods for evaluating the integrity of sealed containers are vacuum decay and pressure decay testing. Vacuum decay testing operates by placing a sealed container into a vacuum chamber. A vacuum is then drawn within the chamber, and highly sensitive pressure sensors monitor any changes in the chamber's pressure over time. If a leak is present in the container, air or gas will escape, causing a detectable increase in the vacuum chamber's pressure. Conversely, a leak-free container will maintain a stable pressure. Pressure decay testing utilizes the opposite principle. It involves pressurizing a sealed container with air or another inert gas to a predetermined level. This pressurized container is then sealed off, and its internal pressure is meticulously monitored over a specific period. A decrease in the container's internal pressure indicates the presence of a leak.
Containers Suitable for Vacuum Decay Testing:
Blister Packs (commonly used for pharmaceutical tablets and capsules)
Vials (both glass and plastic with crimp or screw closures)
Pre-filled Syringes (ensuring the integrity of seals and needle shields)
Pouches and Sachets (for powders, liquids, and medical devices)
Ampoules (sealed glass containers for injectable medications)
Flexible Medical Device Packaging (including bags and trays with lidding)
Containers Suitable for Pressure Decay Testing:
Bottles (plastic or glass with various closure types like screw caps or snap-on lids)
Cans (metal or composite for food, beverages, and medical products)
Jars (glass or plastic with threaded or snap closures)
Rigid Trays with Lids (often used for medical devices and prepared foods)
Aerosol Containers (for checking valve and container body integrity)
Labthink C690H Nondestructive Package Leak Detector provides an efficient solution. This detector is suitable for identifying leaks in vials, ampoules, cartridge bottles, infusion bottles, prefilled syringes, and other pharmaceutical packaging. The testing process is fully automated, ensuring reliable results. The detector is equipped with and automatic sample feeder, facilitating the continuous testing of 20 to 120 samples in two different specifications simultaneously.
Vacuum decay and pressure decay testing are essential non-destructive techniques for ensuring the integrity of a wide range of sealed containers. Choosing the appropriate method depends on the container's material and rigidity, ultimately contributing to product quality and safety.
As the demand for functional packaging materials grows, testing methods are evolving to ensure a more comprehensive evaluation of packaging films. Labthink encourages collaboration with packaging industry companies for quality control! Visit the website www.labthink.com to learn more!
The growing demand for eco-friendly practices has propelled sustainable packaging to the forefront of industry innovation. Manufacturers are increasingly adopting materials that minimize environmental impact, utilizing recycled and renewable resources. However, sustainability must not compromise product protection and shelf life. Rigorous testing is essential to validate the performance of these new packaging solutions.
To ensure the longevity and quality of packaged goods, particularly in the food and pharmaceutical industries, measuring the Oxygen Transmission Rate (OTR) is essential. This test, defined by ASTM D3985, quantifies the amount of oxygen that permeates through a packaging material. Specialized Oxygen Transmission Rate (OTR) Testers are employed for this purpose. These instruments utilize sensors to precisely detect the oxygen passing through a sample over a specified period, providing crucial data for preventing oxidation and maintaining product integrity."
Similarly, the Water Vapor Transmission Rate (WVTR) is a critical parameter for evaluating packaging designed to protect against moisture. As defined by ASTM F1249, this test assesses the rate at which moisture vapor passes through a material, crucial for preventing spoilage. Water Vapor Transmission Rate (WVTR) Testers are used to perform this evaluation. These devices typically incorporate humidity chambers and sensitive weighing systems to accurately determine the moisture vapor transmission, ensuring that packaging effectively safeguards products from moisture damage.
Labthink C406H Oxygen /Water Vapor Transmission Rate Test System is based on the testing principle of Coulometric oxygen sensor and infrared water vapor sensor. It is designed and manufactured according to ASTM D3985、ASTM F1249，ISO 15106-2 and other relevant standards to provide high precision and high efficiency oxygen and water vapor transmission rate tests for high and medium gas barrier materials. It is suitable for testing the oxygen and water vapor transmission performance of films, sheets and related materials in the fields of food, medicine, medical devices, daily chemicals, photovoltaic, electronic and many others.
Physical Characteristics such as Tensile Strength, Elongation, Bursting Strength, Puncture Resistance, and Seal Strength are also key factors to be tested.
Organizations like ASTM International and ISO provide standardized testing protocols, ensuring consistent and reliable evaluation of sustainable packaging materials. Many of the instruments used for these tests are designed to comply with these industry standards. These standards enable manufacturers to make informed material selections, optimize packaging design, and confidently deliver products in environmentally responsible solutions.
Continuous research and development of new testing methods are vital to ensure that sustainable packaging meets the evolving demands of product protection and environmental responsibility. Specific examples of sustainable packaging currently being tested include packaging made from mycelium, algae, and plant-based plastics. By prioritizing rigorous testing, the industry can confidently advance sustainable packaging, minimizing environmental impact while maintaining product quality and consumer satisfaction.
April 11 -13, Pack Jam at the Rochester Institute of Technology in Rochester, New York. This is a student-led conference with insightful sessions and chances to network with other professionals in the Packaging Industry. For more information, visithttps://www.iopp.org/i4a/pages/index.cfm?pageid=5166.
June 18-20,Global Pouch Forum at the Clearwater Florida Sheraton Sand Key Resort at Clearwater Beach, Florida. Global Pouch Forum started in 1997, focusing on flexible pouch packaging and has become the hub for up-to-date information from the experts and networking opportunities for developers and suppliers of flexible materials and machinery. For more information and how to attend, visit https://www.packagingstrategies.com/global-pouch-forum.
September 29-30, Pack Expo Las Vegas, Nevada. Here you can see the latest innovations in packaging and processing from over 2,300 exhibitors and see new developments in productivity, sustainability and more. For more information, visit https://www.packexpolasvegas.com/.
Outdoor adventures demand clothing that can handle the elements, but just as importantly, manage your body's moisture. This is where breathability comes in, a crucial factor in fabric performance.
When you're active, your body produces sweat. If this moisture can't escape, you'll feel clammy and uncomfortable, even in cold weather. Breathable fabrics allow water vapor to pass through, keeping you dry and comfortable.
Outdoor wear benefits from a range of fabrics, each offering different levels of breathability. At the top end, certain high-performance waterproof and breathable fabrics and similar waterproof/breathable fabrics are engineered for maximum weather protection while efficiently transferring moisture. Softshell fabrics provide a strong balance of water and wind resistance with excellent breathability, making them ideal for active pursuits. Merino wool stands out for its natural breathability and temperature-regulating properties. Fleece offers warmth and moderate breathability, perfect for mid-layers. Finally, polyester and nylon's breathability varies significantly depending on their weave and any applied treatments, requiring careful consideration based on intended use.
To quantify breathability, manufacturers use specialized tests. Air Permeability Tests measure how easily air flows through a fabric, indicating its ability to allow air circulation. Equipment used includes air permeability testers that measure air pressure and flow. Water Vapor Transmission Tests (WVTR) determine how much moisture vapor can pass through a fabric over time, crucial for evaluating sweat evaporation. WVTR testers use climate chambers and sensors to measure humidity changes.
Labthink TQD-G1A Air Permeability Tester is applicable to the test of air permeability and air resistance of automotive interior decoration materials, such as polyurethane foam, PVC, leather, textiles, nonwovens etc. In addition, it can also be used to test the permeability of separation membrane, sponge, carpet, non-woven fabric, paper and leather. Through measurement, the performance control of materials is realized to meet the needs of practical application of products.
Labthink C360H Water Vapor Transmission Rate Test System is designed and manufactured based on the gravimetric determination method and conforms to the requirements of ASTM E96. This instrument can be used to measure the water vapor transmission rate of barrier materials with high, medium and lower moisture barrier properties with a wide testing range and high testing efficiency. The instrument features Labthink’s patented test chamber design with multiple test dishes. C360H is equipped with precision made test dishes, highly accurate balance, embedded professional software which supports automatic controlling of temperature, humidity and flow rate precisely and guarantees the testing sensitivity and repeatability of the test results. C360H is applicable to determination of water vapor permeability of plastic films, sheeting, paper, packages and other packaging materials in food, pharmaceutical, medical apparatus, building materials and consumer goods, etc.
These tests ensure that outdoor clothing performs as expected, keeping you comfortable in challenging conditions. Investing in gear with proven breathability means investing in a more enjoyable outdoor experience.
The satisfying crunch of a morning cereal relies on more than just the recipe. Behind the scenes, a carefully engineered packaging system works tirelessly to maintain freshness and prevent spoilage. At the heart of this system lie the plastic and metallized films that form the inner bag, acting as silent guardians against the elements. But how do manufacturers ensure these films are up to the task? The answer lies in rigorous barrier property testing.
Cereal is vulnerable to two primary threats: moisture and oxygen. Moisture leads to sogginess and clumping, while oxygen triggers oxidation, resulting in staleness and off-flavors. To combat these threats, packaging films must possess excellent barrier properties, effectively blocking the passage of water vapor and oxygen.
Two critical tests, Water Vapor Transmission Rate (WVTR) and Oxygen Transmission Rate (OTR), are used to evaluate these barrier properties. Water Vapor Transmission Rate (WVTR) testing is crucial for ensuring cereal packaging effectively prevents moisture ingress. This test measures the amount of water vapor that passes through a film over a specific time period, under controlled temperature and humidity. By placing a dry desiccant on one side of the film and a humid environment on the other, the weight gained by the desiccant over time is used to calculate the WVTR. A lower WVTR value signifies a superior moisture barrier, indicating the film's ability to maintain the cereal's dryness and crunchiness.
Oxygen Transmission Rate (OTR) testing is equally vital for preserving cereal freshness. This test quantifies the amount of oxygen that permeates a film over a defined time, under controlled conditions. Placing the film between two chambers, one with a known oxygen concentration and the other oxygen-free, allows for the measurement of oxygen increase in the oxygen-free chamber, which is then used to calculate OTR. A lower OTR value denotes a better oxygen barrier, signifying the film's effectiveness in preventing oxidation and maintaining the cereal's desired freshness.
These tests require precise instrumentation and controlled environments to ensure accurate and reliable results. Factors such as temperature, humidity, and the thickness of the film can significantly impact barrier properties.
Labthink C403H Oxygen /Water Vapor Transmission Rate Test System is based on the testing principle of Coulometric oxygen sensor and infrared water vapor sensor. It is designed and manufactured according to ASTM D3985、ASTM F1249，ISO 15106-2 and other relevant standards to provide high precision and high efficiency oxygen and water vapor transmission rate tests for high and medium gas barrier materials. It is suitable for testing the oxygen and water vapor transmission performance of films, sheets and related materials in the fields of food, medicine, medical devices, daily chemicals, photovoltaic, electronic and many others.
While WVTR and OTR values provide valuable data, it's important to consider other factors that can affect barrier performance, such as seal integrity, puncture resistance, and impact resistance are essential to ensure product protection during transportation and storage.
As consumer demand for high-quality, longer-lasting food products grows, the development of innovative packaging solutions becomes increasingly critical. By investing in rigorous testing and analysis, the food industry can optimize packaging design, extend product shelf life, and ultimately deliver superior products to consumers.
Maintaining the integrity of pharmaceutical packaging is fundamentally essential for safeguarding product efficacy and patient safety, and vacuum decay testing stands as a highly reliable non-destructive method for verifying this integrity. This technique, particularly effective for blister packs, vials, and pre-filled syringes, identifies leaks without compromising product sterility or efficacy.
Vacuum decay testing leverages the principle that a sealed package, when subjected to a vacuum, will exhibit predictable pressure changes if it's leak-free. Conversely, a leaking package will show a different pressure profile.
Specific Vacuum Decay Techniques:
Differential Pressure Transducers: These precise sensors measure the difference in pressure between the vacuum chamber and a reference chamber. This allows for detection of very small leaks.
Absolute Pressure Sensors: These sensors measure the absolute pressure within the vacuum chamber, providing data to determine the rate of pressure change.
Leak Rate Calculation: Advanced algorithms calculate the leak rate based on the pressure decay data, providing a quantitative measure of package integrity.
Vacuum decay testing offers several key advantages for pharmaceutical packaging integrity. Firstly, its non-destructive nature is paramount, as it preserves the product's integrity, allowing for 100% inspection without waste. Additionally, the method boasts high sensitivity, capable of detecting even minute leaks that could compromise sterility or product efficacy. Furthermore, vacuum decay testing is readily adaptable to automation, enabling seamless integration into high-throughput production lines, enhancing efficiency and consistency. It provides quantitative results, offering objective data for quality control, facilitating precise analysis and ensuring adherence to stringent regulatory standards.
vacuum decay testing typically requires specialized equipment and trained personnel for accurate result interpretation. The Labthink C690H Nondestructive Package Leak Detector provides an efficient solution. This detector is suitable for identifying leaks in vials, ampoules, cartridge bottles, infusion bottles, prefilled syringes, and other pharmaceutical packaging. The testing process is fully automated, ensuring reliable results.
By employing detailed vacuum decay testing, pharmaceutical manufacturers ensure consistent product quality, minimize risks, and comply with stringent regulatory requirements.
As the demand for functional packaging materials grows, testing methods are evolving to ensure a more comprehensive evaluation of packaging films. Labthink encourages collaboration with packaging industry companies for quality control! Visit the website www.labthink.com to learn more!
The rapid growth of the electric vehicle (EV) market, driven by the shift towards a low-carbon economy, has placed lithium-ion batteries at the forefront of technological innovation. Within these batteries, the diaphragm plays a critical role in ensuring safe and efficient operation. This thin, porous membrane separates the positive and negative electrodes, preventing electrical shorts while allowing the flow of lithium ions during charging and discharging.
The safety of lithium-ion batteries is paramount, and the diaphragm's properties directly influence this. One key characteristic is air permeability, which indicates how easily air can pass through the diaphragm. Proper air permeability is essential for maintaining consistent ion conductivity and preventing potential safety hazards.
A diaphragm with inadequate air permeability can lead to uneven ion distribution, increased internal resistance, and ultimately, thermal runaway – a dangerous condition where the battery overheats and can catch fire. Conversely, excessively high air permeability might compromise the diaphragm's mechanical integrity, potentially leading to short circuits.
Therefore, accurate measurement of air permeability is crucial for quality control during diaphragm manufacturing. In a typical test, a sample of the diaphragm is placed in a test chamber, and a controlled pressure difference is applied across the sample. The time required for a specific volume of air to pass through the diaphragm is measured, and the air permeability is calculated. This measurement provides valuable insights into the diaphragm's pore structure and its ability to facilitate ion transport.
Equipment like Labthink C190H Air Permeability Tester which adopts volume method is professionally applicable to the gas permeability test of battery diaphragm, breathable membrane and related polymer materials, as well as the gas permeability test of cigarette paper and various papers.
Accurate air permeability testing contributes to the development of safer and more reliable lithium-ion batteries. By ensuring that diaphragms meet stringent quality standards, manufacturers can minimize the risk of battery failures and enhance the overall performance of EVs and other applications.
Aluminum plastic composite liquid packaging, such as juice pouches, is a popular choice due to its ability to preserve the quality and extend the shelf life of the contents. The packaging relies heavily on its barrier properties. These properties, primarily the ability to block oxygen and moisture, are rigorously tested to ensure product safety and extended shelf life. The aluminum layer provides an exceptional barrier against these elements, preventing degradation of flavor, nutrients, and color. Plastic layers, typically polyethylene or polypropylene, add structural integrity and sealability, creating a robust protective package.
Testing these packages involves precise measurements of oxygen and moisture transmission rates. Oxygen transmission rate (OTR) testing quantifies how much oxygen permeates the material over time, vital for preventing oxidation. Similarly, water vapor transmission rate (WVTR) testing measures moisture penetration, which is critical for inhibiting microbial growth and maintaining product consistency.
Labthink C403H Oxygen /Water Vapor Transmission Rate Test System is based on the testing principle of Coulometric oxygen sensor and infrared water vapor sensor. It is designed and manufactured according to ASTM D3985、ASTM F1249，ISO 15106-2 and other relevant standards to provide high precision and high efficiency oxygen and water vapor transmission rate tests for high and medium gas barrier materials. It is suitable for testing the oxygen and water vapor transmission performance of films, sheets and related materials in the fields of food, medicine, medical devices, daily chemicals, photovoltaic, electronic and many others.
Beyond barrier properties, tensile strength and burst tests evaluate the material's overall durability. Migration testing ensures no harmful substances leach into the liquid, safeguarding consumer health. Environmental stress cracking resistance assesses the package's resilience under various environmental conditions. These comprehensive tests guarantee that aluminum plastic composite liquid packaging effectively preserves product quality and meets stringent safety standards.
As the demand for functional packaging materials grows, testing methods are evolving to ensure a more comprehensive evaluation of packaging films. Labthink encourages collaboration with packaging industry companies for quality control! Visit the website www.labthink.com to learn more!
Facial masks, designed to deliver potent skincare benefits, rely heavily on the integrity of their packaging. Aluminum-plastic composite films are a popular choice, but their effectiveness in preventing moisture loss is paramount. Testing the Water Vapor Transmission Rate (WVTR) of these films is crucial for ensuring product quality and efficacy.
The essence within a facial mask is a delicate formulation, susceptible to environmental factors, especially moisture loss. If the packaging fails to provide an adequate barrier, the essence can dehydrate, diminishing the mask's intended effects. This is where WVTR testing comes into play.
WVTR quantifies the amount of water vapor that permeates a material over a specific period, under controlled conditions. A low WVTR indicates superior barrier properties, signifying that the packaging effectively prevents moisture loss. For mask packaging, this translates to extended shelf life and maintained product potency.
The electrolytic sensor method is a widely used technique for determining WVTR. This method involves placing a material sample between two chambers with controlled humidity. Water vapor that passes through the sample is measured by an electrolytic sensor, providing accurate data for WVTR calculation. Standardized testing procedures are essential for consistent and reliable results. Standards like ISO 15106-3 and ASTM F3299 provide guidelines for sample preparation, test conditions, and data analysis, ensuring accuracy and comparability.
Advanced testing equipment, such as Labthink C330H Water Vapor Transmission Rate Testing System, offers precise control over test parameters and automated data acquisition. These systems provide detailed insights into packaging barrier properties, enabling informed decisions regarding material selection and design.
For mask manufacturers, WVTR testing offers numerous benefits. It ensures quality, optimizes shelf life, enables product differentiation, and ensures regulatory compliance. By rigorously testing their packaging, manufacturers can guarantee that their facial masks retain their efficacy, delivering the promised skincare benefits to consumers. Ultimately, this commitment to quality enhances consumer satisfaction and strengthens brand reputation.
In the pharmaceutical industry, the integrity of vial packaging is paramount. Leaks can compromise the sterility and efficacy of medications, posing significant risks to patient safety. Traditional leak testing methods, often involving dye penetration or bubble testing, can be destructive and time-consuming, hindering production efficiency. However, advancements in technology have introduced non-destructive alternatives, notably the vacuum decay method.
This testing method is applicable to a wide range of vials used in the pharmaceutical industry. These include:
Glass vials: Commonly used for injectable medications, requiring robust sealing to maintain sterility.
Cartridge vials: Utilized in pen injectors and other delivery devices, where precise dosage and leak prevention are critical.
Infusion bottles: Larger volume vials used for intravenous fluids, demanding stringent leak testing to ensure patient safety.
Prefilled syringes: While technically a syringe, the prefilled portion is essentially a small vial, and leak testing is vital.
The vacuum decay method offers a highly sensitive and reliable approach to leak detection in vials. This method involves placing a sealed vial within a chamber where a controlled vacuum is created. The pressure within the chamber is then monitored by sensitive pressure sensors. Any decrease in pressure over time indicates a leak in the vial's seal. This technique is capable of detecting even minute leaks that traditional methods might miss, ensuring the highest standards of quality control. Furthermore, the process can be automated, making it ideal for high-volume production lines.
Labthink C690H Nondestructive Package Leak Detector is based on the testing principle of the vacuum decay method, designed and manufactured according to ASTM F2338 and other standards. It is professionally suitable for batch sealing leak detection of vials, and trace leakage detection of ampoule, cartridge bottles, infusion bottles, prefilled syringes and other pharmaceutical packaging.
By adopting non-destructive vacuum decay leak testing, pharmaceutical manufacturers can enhance their quality control processes, improve production efficiency, and guarantee the safety and reliability of their products. This advanced testing method is crucial for maintaining the integrity of pharmaceutical packaging and safeguarding patient health.
As the demand for functional packaging materials grows, testing methods are evolving to ensure a more comprehensive evaluation of packaging films. Labthink encourages collaboration with packaging industry companies for quality control! Visit the website www.labthink.com to learn more!
In packaging, controlling moisture and oxygen is vital. Water Vapor Transmission Rate (WVTR) and Oxygen Transmission Rate (OTR) tests are essential for ensuring product quality and longevity.
Moisture and oxygen can degrade packaged goods. Moisture leads to spoilage, clumping, and decay, while oxygen causes oxidation, resulting in discoloration, flavor loss, and reduced shelf life. Effective packaging barrier properties are crucial for defense. These tests play a vital role across various industries. In food packaging, they are essential for extending shelf life by minimizing spoilage. For pharmaceuticals, they safeguard drug efficacy by preventing degradation from moisture or oxygen. In the realm of medical devices, these tests ensure the maintenance of sterility, a critical factor for patient safety. Furthermore, in electronics manufacturing, they are used to shield sensitive components from the damaging effects of humidity, ensuring product reliability.
Water Vapor Transmission Rate (WVTR)
WVTR measures how quickly water vapor passes through a material, expressed as grams per square meter per day (g/m²/day). Dry foods (snacks, cereals) need very low WVTR, often below 1 g/m²/day, to stay crisp. Pharmaceuticals require very low WVTR to maintain potency. Building materials use WVTR to evaluate vapor barrier performance.
Oxygen Transmission Rate (OTR)
OTR measures how fast oxygen permeates a material, measured in cubic centimeters per square meter per day (cc/m²/day). Food packaging (meats, cheeses) relies on very low OTR, often below 10 cc/m²/day, to prevent spoilage. Pharmaceuticals and medical devices need extremely low OTR to ensure stability and sterility. Beverages use low OTR to keep carbonation.
WVTR and OTR tests are conducted under controlled conditions, following standards like ASTM F1249 and ASTM E96 (WVTR) and ASTM D3985 (OTR).
Labthink C406H Oxygen /Water Vapor Transmission Rate Test System is based on the testing principle of Coulometric oxygen sensor and infrared water vapor sensor. It is designed and manufactured according to ASTM D3985、ASTM F1249，ISO 15106-2 and other relevant standards to provide high precision and high efficiency oxygen and water vapor transmission rate tests for high and medium gas barrier materials. It is suitable for testing the oxygen and water vapor transmission performance of films, sheets and related materials in the fields of food, medicine, medical devices, daily chemicals, photovoltaic, electronic and many others.
Manufacturers select materials based on barrier properties, considering product sensitivity, shelf-life, and environment. WVTR and OTR tests are vital for quantifying packaging barrier properties. They protect products from moisture and oxygen, ensuring quality and reliability. By understanding and utilizing these tests, manufacturers deliver safer, longer-lasting products. Remember that these numbers are rough estimations, and differ greatly depending on the product being packaged.
In the electronics industry, encapsulation films serve as critical barriers, protecting sensitive components like semiconductors, OLED displays, and battery systems from environmental threats such as moisture and oxygen. These films, typically made from materials like epoxy, silicone, or parylene, are essential for ensuring device longevity and performance, particularly in consumer products like smartphones and industrial equipment.
Testing these films involves a series of rigorous evaluations to confirm their protective capabilities. Water vapor transmission rate (WVTR) testing measures moisture permeability, often targeting values below 0.1 grams per square meter per day for high-performance applications. This process uses humidity differentials to assess how effectively a film prevents corrosion in circuits. Similarly, oxygen transmission rate (OTR) testing evaluates oxygen penetration, with goals often set under 1 cubic centimeter per square meter per day to safeguard against oxidation. Beyond transmission tests, environmental stress assessments—exposing films to conditions like 85°C and 85% relative humidity—verify durability over time. Additional evaluations, such as dielectric strength and adhesion tests, ensure the films maintain insulation and bonding under operational stress.
These tests adhere to established standards to guarantee reliability across the industry. ASTM E96 governs WVTR assessments, providing a consistent framework for moisture barrier performance, while ASTM D3985 sets the benchmark for OTR measurements. Environmental durability aligns with IEC 60068-2-78, simulating real-world conditions, and IPC-TM-650 outlines electronics-specific criteria for adhesion and electrical properties. For precision applications, ISO 15106 offers further calibration of transmission rates, ensuring films meet stringent requirements.
Labthink C403H Oxygen /Water Vapor Transmission Rate Test System is based on the testing principle of Coulometric oxygen sensor and infrared water vapor sensor. It is designed and manufactured according to ASTM D3985、ASTM F1249，ISO 15106-2 and other relevant standards to provide high precision and high efficiency oxygen and water vapor transmission rate tests for high and medium gas barrier materials. It is suitable for testing the oxygen and water vapor transmission performance of films, sheets and related materials in the fields of food, medicine, medical devices, daily chemicals, photovoltaic, electronic and many others.
The importance of encapsulation films cannot be overstated in electronics manufacturing. A failure in barrier performance could lead to device malfunctions, from screen degradation in OLEDs to short-circuits in microchips. By adhering to these testing protocols and standards, manufacturers uphold quality and reliability, meeting the demands of an increasingly sophisticated market. As technology advances, these films and their evaluation methods will continue to evolve, reinforcing their role in protecting the heart of modern electronics.
The journey of a coffee bean from farm to cup is a delicate one, and proper packaging plays a crucial role in preserving its flavor. While the aroma and taste of freshly roasted beans are enticing, they quickly degrade when exposed to air. This is where specialized packaging and rigorous quality checks come in.
Coffee beans are typically packaged in bags with one-way valves or vacuum-sealed bags. These methods aim to minimize oxygen exposure, the primary culprit behind coffee staleness. But simply sealing the beans isn't enough. The packaging itself must be robust and reliable.
This is where package material testing becomes essential. Manufacturers subject their packaging to a battery of tests to ensure it meets stringent standards. Oxygen Transmission Rate (OTR) testing measures how much oxygen can permeate the material – a lower OTR is crucial for maintaining freshness. Similarly, Water Vapor Transmission Rate (WVTR) testing assesses how much moisture can pass through, preventing the beans from becoming damp. Tensile strength testing ensures the bag can withstand the rigors of shipping and handling without tearing. Finally, seal strength testing verifies the integrity of the seal, vital for maintaining a vacuum.
Labthink C406H Oxygen /Water Vapor Transmission Rate Test System is based on the testing principle of Coulometric oxygen sensor and infrared water vapor sensor. It is designed and manufactured according to ASTM D3985、ASTM F1249，ISO 15106-2 and other relevant standards to provide high precision and high efficiency oxygen and water vapor transmission rate tests for high and medium gas barrier materials. It is suitable for testing the oxygen and water vapor transmission performance of films, sheets and related materials in the fields of food, medicine, medical devices, daily chemicals, photovoltaic, electronic and many others.
Beyond material testing, manufacturers employ various seal checks during the packaging process. Visual inspections catch obvious defects, while automated systems use pressure decay, ultrasonic testing, or gas leak detection for more precise leak detection. Burst testing evaluates seal strength, and dye penetration can identify even microscopic leaks.
Through these combined efforts – careful material selection, thorough testing, and rigorous seal checks – coffee companies ensure that the beans you buy are as fresh and flavorful as the day they were roasted.
Effective wound healing depends on a delicate moisture balance. Too little moisture hinders healing, while too much leads to maceration and infection. Moisture Vapor Transmission Rate (MVTR) testing is crucial for achieving this balance in modern wound dressings. It measures how much moisture vapor permeates a dressing, directly impacting its ability to manage wound site moisture.
MVTR testing allows manufacturers to fine-tune dressings for specific wound types. Burns, for example, often require higher MVTRs than surgical incisions. This tailoring optimizes healing outcomes by preventing both dryness and excessive moisture. Beyond simply preventing extremes, the right MVTR actively promotes healing by supporting cell migration, growth factor activity, and angiogenesis. Testing confirms the dressing creates this ideal environment.
MVTR testing is also essential for quality control. It ensures consistent dressing performance across production batches, identifying any manufacturing inconsistencies. This rigorous control guarantees reliable patient care. Furthermore, MVTR data fuels research and development, allowing comparison of different materials and designs, driving innovation in wound care. Researchers use MVTR measurements to understand material interactions with wound fluids and their impact on healing.
Labthink C403H Oxygen /Water Vapor Transmission Rate Test System is based on the testing principle of Coulometric oxygen sensor and infrared water vapor sensor. It is designed and manufactured according to ASTM D3985、ASTM F1249，ISO 15106-2 and other relevant standards to provide high precision and high efficiency oxygen and water vapor transmission rate tests for high and medium gas barrier materials. It is suitable for testing the oxygen and water vapor transmission performance of films, sheets and related materials in the fields of food, medicine, medical devices, daily chemicals, photovoltaic, electronic and many others.
MVTR testing is fundamental to developing high-quality wound dressings. By enabling precise moisture control, it contributes significantly to creating optimal healing environments, minimizing complications, and improving patient outcomes. It's a cornerstone of modern wound care, driving innovation and ensuring effective, reliable solutions.
One crucial aspect of ensuring the safety of food contact materials (FCMs) is determining the total amount of substances that can migrate from the FCM into food. Total migration refers to the overall quantity of non-volatile substances that transfer from a food contact material (like plastic packaging, a cooking utensil, or a storage container) into food. These migrating substances can include monomers, additives, or other compounds present in the FCM.
Residue After Evaporation is one of the methods used to quantify the total migrant in food simulants liquid. The principle behind this method is straightforward: if substances migrate from the FCM into a food simulant, evaporating the simulant will leave behind a residue representing those migrated substances. By measuring this residue, we can quantify the total migrant.
The testing process begins with selecting a food simulant that mimics the properties of the food the material will contact. The food contact material is then exposed to this simulant under carefully controlled conditions, including specific temperature and contact time. During this period, substances from the material migrate into the simulant. Next, the simulant is evaporated, leaving behind any migrated substances as a residue. This residue is then measured, often by weighing it. Finally, the amount of residue is used to calculate the total migrant, which is then compared to regulatory limits to ensure safety.
Traditionally several pieces of equipment would be used to automate this process, such as rotary evaporators which facilitate controlled evaporation of the simulant; robotic systems and analytical balances improve the accuracy and efficiency of residue weighing.
Labthink C830H Migration & Non-volatile-matter Content Tester is an integrated, high efficiency automatic tester for determination of migration and non-volatile matter contents from volatile liquids, it can be widely applied for determination non-volatile contents of packaging materials for pharmaceuticals, total solids, water and fat of food, water and insoluble substances of pharmaceuticals and food additives. The instrument supports fast evaporation mode and efficient reagent recycling function so that water, trichloromethane, acetic acid, ethanol, n-hexane and other reagents can be used to improve the testing efficiency.
Measuring the residue after evaporation of a food simulant is a valuable and widely used method for quantifying total migrant from food contact materials. While it has some limitations, it provides crucial information for assessing the safety of FCMs and ensuring compliance with regulations. By combining this method with other analytical techniques, a comprehensive understanding of potential migration from FCMs can be achieved.
The growing demand for environmentally responsible practices has propelled sustainable packaging to the forefront of the industry. Moving beyond traditional materials, manufacturers are increasingly exploring innovative solutions that minimize environmental impact. These sustainable alternatives often incorporate recycled or renewable resources, reduce waste, and promote energy efficiency. However, the shift towards sustainable packaging shouldn't compromise product protection and shelf life. Rigorous testing is essential to ensure these materials meet the necessary performance standards. This article examines the crucial tests and methods used to evaluate the performance of sustainable packaging, focusing on barrier properties, physical characteristics, and overall suitability.
Barrier properties are fundamental to preserving product quality and extending shelf life. These properties prevent the permeation of gases like oxygen, moisture vapor, and other contaminants that can degrade products. For instance, oxygen can cause oxidation in food products, leading to rancidity and off-flavors, while moisture can promote mold growth and spoilage. Sustainable packaging materials must offer adequate barrier protection to safeguard products from these detrimental factors, minimizing waste and maintaining consumer satisfaction. Testing methods for barrier properties include:
Oxygen Transmission Rate (OTR): Measures the amount of oxygen that permeates through a material over a given time.
Water Vapor Transmission Rate (WVTR): Measures the rate at which moisture vapor passes through a material.
Gas Chromatography: Used to analyze the composition of gases that permeate through the packaging.
Labthink C406H Oxygen /Water Vapor Transmission Rate Test System is based on the testing principle of Coulometric oxygen sensor and infrared water vapor sensor. It is designed and manufactured according to ASTM D3985、ASTM F1249，ISO 15106-2 and other relevant standards to provide high precision and high efficiency oxygen and water vapor transmission rate tests for high and medium gas barrier materials. It is suitable for testing the oxygen and water vapor transmission performance of films, sheets and related materials in the fields of food, medicine, medical devices, daily chemicals, photovoltaic, electronic and many others.
Beyond barrier properties, the physical characteristics of sustainable packaging are equally critical. These properties determine the material's ability to withstand the rigors of transportation, storage, and handling. Key physical tests include:
Tensile Strength and Elongation: Measures the material's resistance to stretching and breaking under tension. This is crucial for packaging that needs to withstand pressure or weight.
Bursting Strength: Assesses the material's resistance to internal pressure, important for containers holding liquids or gases.
Puncture Resistance: Measures the material's ability to withstand penetration by sharp objects, vital for protecting against punctures during handling.
Seal Strength: Evaluates the strength of the seal between packaging layers, ensuring the package remains intact. Different seal types require specific testing methods.
Impact Resistance: Measures the material's ability to withstand sudden shocks and vibrations, crucial for protecting fragile contents during transport.
Tear Resistance: Measures the force required to tear a material, important for packaging that needs to be easily opened by consumers.
Labthink C610M Auto Tensile Tester is professionally applicable to measurement of tensile, peeling, deformation, tearing, heat sealing, adhesive, puncture force, opening force, pulling force and low speed unwrapping force as well as other properties of plastic films, composite materials, soft package materials, plastic flexible tube, adhesives, adhesive tapes, label stickers, medical plasters, release paper, protective films, combined caps, aluminum foils, diaphragms, back sheets, non-woven fabrics, rubber and paper, etc.
Comprehensive testing of sustainable packaging materials is paramount to ensuring they meet performance requirements while minimizing environmental impact. By conducting the tests outlined in this article, manufacturers can make informed decisions about material selection, optimize packaging design, and confidently deliver products in sustainable yet reliable packaging. As the field of sustainable packaging continues to evolve, ongoing research and development of new testing methods will be crucial to maintaining product quality and driving innovation in environmentally responsible packaging solutions. Standardization efforts, such as those by organizations like ASTM International and the International Organization for Standardization (ISO), play a key role in providing consistent and reliable testing protocols.
Thermal shrinkable film has become a cornerstone of efficient and protective bulk packaging. Its versatility in bundling, palletizing, and safeguarding goods is undeniable. However, the performance of this material is heavily reliant on its specific properties. Therefore, understanding and testing these characteristics is crucial for optimizing packaging processes and ensuring product integrity.
Several key properties dictate a shrink film's suitability for a given application. Shrinkage rate, the degree to which the film contracts with heat, directly impacts the tightness and conformity of the package. Closely related is shrink force, the pressure exerted during shrinkage. Balancing these two is essential, as excessive force can damage delicate items, while insufficient force results in loose, unstable packaging. Furthermore, the film's strength and durability, encompassing tear, puncture, and abrasion resistance, are fundamental for protecting goods during transit and storage. Seal strength, the integrity of the film's heat-sealed closures, plays a critical role in maintaining package integrity and preventing tampering.
Labthink C631H Thermal Shrinkage Tester is designed and developed in accordance with ISO 14616 and GB/T 34848, for determination of shrinking force, contracting force and shrinkage ratio of heat shrinkable films. Shrinking force greater than 0.01N can be detected. Its advanced laser measurement technology measures thermal shrinkage ratio of film precisely. High precision load cell provides testing accuracy higher than 0.5%FS and better repeatability of test results.
Testing these properties is not merely a formality; it's a vital step in quality control and risk mitigation. Shrinkage rate is determined by measuring film dimensions before and after controlled heat exposure. Shrink force necessitates specialized equipment to quantify the pressure exerted during the shrinking process. Tensile and puncture tests evaluate the film's strength, while seal strength is measured by assessing the force required to separate a sealed joint.
Testing the properties of the thermal shrinkable films ensures consistency, identifies potential defects, and ultimately safeguards products from damage. By investing in appropriate testing, businesses can avoid costly returns, maintain brand reputation, and ensure customer satisfaction. In regulated industries like food and pharmaceuticals. Ultimately, a proactive approach to testing thermal shrinkable films translates to optimized packaging processes, minimized losses, and enhanced product protection.
For chemical products like pharmaceuticals and powdered cleaning agents, moisture can be a silent enemy, causing degradation, clumping, or reduced efficacy. Rigorous water vapor barrier testing of packaging materials is crucial. This testing ensures packaging can shield sensitive contents from humidity and maintain their quality throughout their shelf life.
Pharmaceuticals, often highly sensitive to moisture, demand robust protection. Blister packs, with their individual sealed compartments and foil backing, provide an excellent moisture barrier. Powdered cleaning products also benefit from moisture-resistant packaging. Caking or clumping due to moisture ingress can render these products less effective or even unusable.
Moisture-resistant pouches offer a versatile and often cost-effective packaging option. These pouches utilize specialized films and laminates to create a barrier against moisture. For example, a three-layer pouch might consist of an outer layer for printability and durability, a middle layer of aluminum foil for a superior moisture barrier, and an inner layer of polyethylene for heat sealing and product compatibility. Such pouches are suitable for single-dose pharmaceuticals, powdered supplements, or even smaller quantities of cleaning agents. Testing the barrier properties of the materials helps maintain product quality and prevents moisture-related degradation.
Several standardized methods exist for evaluating a material's water vapor transmission rate (WVTR). These tests, often conducted under controlled temperature and humidity conditions, measure how much moisture permeates the packaging over time. Common standards include ASTM F1249 and ASTM E96. The results help manufacturers select the optimal packaging to protect their products.
Labthink C306H Water Vapor Transmission Rate Test System is designed and manufactured based on infrared sensor method and conforms to the requirements of ASTM F1249 and ISO 15106-2. This instrument can be used to measure the water vapor transmission rate of barrier materials with high and medium moisture barrier properties with a wide testing range and high testing efficiency. C306H is applicable to determination of water vapor permeability of plastic films, sheeting, paper, packages and other relative packaging materials in food, pharmaceutical, medical apparatus, consumer goods, photovoltaic and electronic industries, etc.
Labthink C360H Water Vapor Transmission Rate Test System is designed and manufactured based on the gravimetric determination method and conforms to the requirements of ASTM E96.
Choosing the right packaging and validating its performance through water vapor barrier testing is essential for ensuring the safety and efficacy of chemical products. By understanding the moisture sensitivity of their products and employing appropriate packaging solutions, manufacturers can safeguard their formulations and deliver quality to consumers.
