1/25/2025

Aseptic Medical Device Packaging Heat Shrink Test

Heat shrink materials are commonly used for packaging aseptic medical devices. Their ability to conform to various shapes upon heating creates protective, tamper-evident seals. Tests are conducted to evaluate the sterility and integrity of packaging in critical medical applications.


Heat shrink packaging offers several key advantages for aseptic devices. It creates a robust barrier against microbial contamination, preserving sterility. The tight seal provides clear evidence of tampering, ensuring device integrity before use. It also protects devices from physical damage during transport and storage, and conforms to complex shapes, minimizing excess packaging.

Several standardized tests are crucial for characterizing heat shrink materials used in medical device packaging. Shrinkage testing, according to ASTM D2732, measures the material's shrinkage when exposed to heat. This ensures the packaging achieves the desired tight fit, which is essential for maintaining a sterile barrier. Consistent and predictable shrinkage is paramount in aseptic applications.

Shrink force/contraction force testing, specified in ISO 14616, measures the force exerted by the shrinking material. This is crucial when the packaging needs to apply pressure for a secure seal or to hold components. For aseptic devices, the shrink force must be sufficient for a secure seal without damaging the device.


 
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.

Thorough testing of heat shrink packaging is essential for ensuring the safety and efficacy of aseptic medical devices. Adhering to standards like ASTM D2732 and ISO 14616, along with specific aseptic considerations, guarantees consistent product quality, maintains sterility, and protects patient safety. Understanding heat shrink characteristics and conducting appropriate tests allows manufacturers to optimize packaging design and processing for maximum performance and reliability.

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!

1/24/2025

Testing Salad Kit Packaging for Freshness

Salad kits have become a staple for busy consumers seeking quick and healthy meal options. But behind the convenience lies a complex challenge: preserving the freshness and quality of delicate ingredients. This article delves into the crucial role of packaging and the rigorous testing it undergoes to ensure that every salad kit delivers on its promise of crispness and flavor.

Salad kits present unique packaging challenges. They contain a mix of ingredients, including various greens, vegetables, and often additions like cheese, croutons, and dressings. Each component has its own respiration rate and moisture content, making it crucial to create a packaging environment that balances these factors. The goal is to Minimize moisture loss while Controlling gas exchange.



Salad kit packaging commonly utilizes flexible plastic films like polypropylene (PP), polyethylene (PE), and laminates combining different materials for enhanced barrier properties. Rigid plastics like PET are sometimes used for trays or containers. Beyond the materials themselves, technologies like Modified Atmosphere Packaging (MAP) play a vital role. MAP involves altering the gas composition within the package, typically by reducing oxygen and increasing carbon dioxide, to slow down respiration and extend shelf life.

To ensure optimal performance, salad kit packaging undergoes a series of rigorous tests. Oxygen Transmission Rate (OTR) Test measures the rate at which oxygen passes through the packaging material. A lower OTR is desirable to minimize oxidation and maintain freshness. Standard test methods like ASTM D3985 are used. Carbon Dioxide Transmission Rate (CTR) measures the rate at which carbon dioxide passes through the packaging material. A controlled CTR is important for managing respiration within the package. Water Vapor Transmission Rate (WVTR) test measures the rate at which moisture vapor passes through the packaging material. A controlled WVTR is crucial to prevent both moisture loss (wilting) and excessive moisture accumulation (condensation). Standard test methods like ASTM F1249 are used.



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.


Labthink C130H Gas Permeability Tester is based on the differential pressure method, and is professionally applicable to the determination of gas transmission rate, solubility coefficient, diffusion coefficient and permeability coefficient of plastic films, composite films, high barrier materials, sheets, and metal foils at different temperatures. The testing process conforms to GB, ISO, ASTM and other international standards. Salad kit packaging is a complex science that requires careful consideration of material properties, design, and environmental factors. Through rigorous testing and continuous innovation, the industry strives to deliver convenient, fresh, and high-quality salads to consumers while minimizing food waste and environmental impact.

1/22/2025

Testing the Moisture Barrier Properties of Desiccant Pack Materials

Desiccants are commonly used to absorb moisture from the surrounding environment. They come in various forms, including silica gel and calcium chloride. Desiccants play a crucial role in protecting a wide range of products, such as electronics, pharmaceuticals, food, and clothing, from moisture-related damage like corrosion, mold growth, and spoilage.



To ensure the effectiveness of desiccants, they are often packaged in individual sachets or pouches made from specific materials. These materials must possess appropriate moisture barrier properties to allow moisture to reach the desiccant while preventing the desiccant from contaminating the product.

Several methods are available for evaluating the moisture barrier properties of desiccant pack materials. One common method is the cup method, which involves placing a sample of the material over a cup containing a known amount of desiccant. The assembly is then placed in a controlled humidity environment. The weight of the desiccant is monitored over time to determine the amount of moisture absorbed.

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.

By carefully evaluating the moisture barrier properties of desiccant pack materials, manufacturers can ensure the optimal performance of their products and enhance their overall quality and safety.

1/21/2025

Testing Thermal Shrinkage of Plastic Film and Sheeting

Heat shrinkable materials are valued for their ability to conform tightly to various shapes when heated. From protective packaging to crucial electrical insulation, their applications are across diverse industries.

The unique properties of heat shrinkable materials make them indispensable in numerous applications, such as packaging or bundling products, creating tamper-evident seals, electrical insulation component protection, identification and labeling, and using in various medical applications.



To characterize the properties of heat shrinkable materials several tests are employed.

One of the fundamental tests measures the degree to which a material shrinks when exposed to heat is the shrinkage testing. ASTM D2732 Standard Test Method for Unrestrained Linear Thermal Shrinkage of Plastic Film and Sheeting provides a standardized procedure. This test is applicable to determining suitability for packaging, labeling, and protective coverings.

Shrink Force/Contraction Force Testing specified in ISO 14616 measures the force exerted by the material as it shrinks. This is vital for applications where the film or tubing needs to apply pressure, such as bundling items or creating tight seals. This test is applicable to evaluating suitability for bundling, securing components, and creating tamper-evident seals.



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.

Adhering to these standards and conducting the appropriate tests ensures consistent product quality and performance. Understanding the characteristics of the heat shrinkable films also helps in optimizing material formulations and processing parameters, and selecting the right material for a specific application.

1/20/2025

Testing the Barrier Properties of Mixed Nut Packaging

Mixed nuts are a popular and nutritious snack. However, their high fat content makes them susceptible to spoilage. Oxidation of these fats leads to rancidity, affecting taste, aroma, and nutritional value. Proper packaging is crucial for maintaining the quality and extending the shelf life of mixed nuts.


Mixed nuts are commonly packaged in flexible pouches or flow-wraps made from multi-layer films. The barrier layer within these packages commonly consisting of metallized films, aluminum foil, or EVOH. These materials minimize oxygen and moisture transmission.

To ensure packaging effectiveness, several tests are conducted. Flexible packaging undergoes stress during production, transportation, and handling. Tests like ASTM F392 (Flex Testing of Flexible Barrier Materials) are crucial. This involves repeatedly flexing or creasing the packaging material to simulate real-world conditions.


Labthink C681M Flex Durability Tester is professionally applicable to the determination of flex durability of flexible films, composite films and coating films. The instrument can simulate the kneading and creasing behaviors of films happened during production, processing and transportation. The flex durability can be obtained by measuring the changes in number of pinholes or barrier properties after test, which can provide quantitative basis for package design and practical usage.

After flexing, the OTR and WVTR are re-tested to assess any degradation in barrier performance due to cracking or pinholes. This is especially important for metallized films, which can be prone to cracking. Oxygen Transmission Rate (OTR) test measures the rate at which oxygen permeates through the packaging material. The differential pressure method (as described to ISO 2556) is commonly used. Water Vapor Transmission Rate (WVTR) test measures the rate at which water vapor permeates through the packaging material. This ensures the package protects against 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.

Testing the durability and barrier properties of mixed nut packaging is essential for ensuring product quality and extending shelf life. By employing appropriate testing methods, manufacturers can select packaging materials that effectively protect against oxygen, moisture, and physical damage, ultimately delivering a fresh and enjoyable product to consumers. The combination of barrier property testing (OTR, WVTR) and durability testing provides a comprehensive assessment of packaging performance.

As the demand for functional materials grows, testing methods are evolving to ensure a more comprehensive evaluation of materials. Labthink encourages collaboration with companies for quality control! Visit the website www.labthink.com to learn more!

1/17/2025

Testing Helium Barrier Performance of Graphene

Graphene has garnered significant attention due to its exceptional properties. Among these, its barrier properties, or the ability to prevent the passage of gases, are of particular interest for applications in various fields, including packaging, microelectronics, and gas separation. This article focuses on the methods used to test the helium barrier performance of graphene.


Helium serves as an ideal probe for evaluating the barrier properties of materials. Its small atomic size allows it to permeate through even the smallest defects or pores in a material. Therefore, testing with helium provides a stringent assessment of a material's barrier effectiveness. Furthermore, helium has important applications in various industries, including aerospace, cryogenics, and leak detection, making its containment crucial.

Several methods exist for measuring gas permeability, but the pressure difference method is widely used, especially for testing a broader range of gases. This method is based on monitoring the pressure change in a low-pressure chamber after a gas permeates through a sample. The helium gas, driven by the pressure difference between the two chambers, permeates through the graphene. The pressure rise in the low-pressure chamber is measured and used to determine the permeation rate.


 Labthink VAC-V2 is based on the differential pressure method, and is professionally applicable to the determination of gas transmission rate as well as solubility coefficient, diffusion coefficient and permeability coefficient of plastic films, composite films, high barrier materials, sheeting and aluminum foils.

Testing the helium barrier performance of graphene using the pressure difference method is essential for evaluating its suitability for various applications. This method provides accurate and reliable data on helium permeation rates, enabling researchers and engineers to optimize graphene-based materials for specific applications requiring high gas barrier properties. Further research and development in this area will undoubtedly unlock the full potential of graphene in diverse fields.

As the demand for functional materials grows, testing methods are evolving to ensure a more comprehensive evaluation of materials. Labthink encourages collaboration with companies for quality control! Visit the website www.labthink.com to learn more!

1/15/2025

Packaging Seal Integrity Testing with Different Methods

A crucial aspect of effective packaging is the integrity of its seals. Several methods exist to test seal integrity, each suited for different package types and testing needs. These methods broadly fall into three categories: positive pressure, negative pressure (vacuum), and non-destructive testing. Positive pressure, negative pressure, and non-destructive methods each have their strengths and are suited to different types of packages and testing scenarios.



Positive Pressure method increases internal pressure within the package to detect leaks. This method is best for testing packages that need to withstand internal pressure, like sealed pouches, bags, and some rigid containers. It's good for detecting larger leaks and weaknesses in seals. Common techniques include burst testing, where the pressure is increased until the package fails, and bubble testing, where the package is submerged in water.


Labthink C660M Leak and Seal Strength Tester is professionally applicable to quantitative determination of seal strength, seal quality, burst pressure, seal integrity, compression resistance, torsion force and joint/disengaging force of various flexible packages, aseptic packages, plastic tamper-evident closures, flexible tubes, caps and other materials. This instrument adopts positive pressure method. It offers multiple test modes including burst test, creep test, creep-to-failure test and pressure retaining test

In Negative Pressure (Vacuum) method, a vacuum is created around the package, and the package is observed for changes, such as expansion or air bubbles escaping from within. It's particularly effective for detecting small leaks and weaknesses in flexible packages, such as pouches, sachets, and flow wraps.


Labthink C660B Leak and Seal Strength Tester is professionally designed for the leakage tests of packages for food, drugs, medical instruments, household chemical products, cars, electronic components, stationeries and other industrial products. The instrument also can be used to test seal performance of specimens after falling and compression tests. This instrument adopts negative pressure method. It offers multiple test modes including standard, multi-grade vacuum and methylthionine chloride mode.

Non-Destructive Testing methods assess seal integrity without damaging the package, allowing for testing of finished products without waste. It is useful for high-value products where destructive testing is not feasible.


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.

Choosing the appropriate testing method depends on factors like package type (rigid or flexible), product type (solid, liquid, or powder), required leak sensitivity, and the testing environment (lab or production line). By employing the correct testing methods, manufacturers can ensure product safety, extend shelf life, and maintain consumer trust. Often, a combination of methods is used to provide the most comprehensive quality assurance.

As the demand for functional packaging grows, testing methods are evolving to ensure a more comprehensive evaluation of film materials. Labthink encourages collaboration with companies for quality control! Visit the website www.labthink.com to learn more!

1/13/2025

Water Vapor Permeability test for VCI Paper

VCI paper stands for Volatile Corrosion Inhibitor paper. This type of paper is infused with chemicals that release vapors which form a protective layer on metal surfaces, preventing corrosion. It's commonly used for packaging and storing metal parts and equipment.



A good VCI paper should have several key qualities such as Effective Corrosion Inhibition, Sufficient Strength and Durability and Compatibility with the Packaged Product.

A good water vapor barrier performance is a crucial quality as well. High humidity can accelerate corrosion, if the VCI paper allows excessive moisture to pass through, it can compromise the protective environment. For long-term storage or shipping in humid environments, controlling moisture ingress is crucial. Low water vapor permeability helps maintain a dry environment within the packaging, enhancing the effectiveness of the VCI.

A water vapor permeability test can be relevant for VCI paper, especially in certain applications. The water vapor permeability of VCI paper is typically measured using standard test methods like: ASTM E96: This standard describes various methods for determining the water vapor transmission of materials. ISO 2528: This international standard also specifies methods for measuring water vapor transmission rate. These tests involve measuring the amount of water vapor that passes through a sample of the VCI paper under controlled temperature and humidity conditions.

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 and ISO 2528. 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. 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.


 
Water vapor permeability can be an important consideration for VCI paper, especially in humid environments, for long-term storage, or when packaging sensitive metals. It helps ensure that the VCI chemicals can effectively protect the packaged goods by minimizing moisture-related corrosion risks.

As the demand for functional packaging grows, testing methods are evolving to ensure a more comprehensive evaluation of film materials. Labthink encourages collaboration with companies for quality control! Visit the website www.labthink.com to learn more!

1/12/2025

Testing Oxygen and Water Vapor Barrier Properties of Aluminum-Plastic Composite Pharmaceutical Packaging

Pharmaceutical packaging protects drug products from environmental factors that can compromise their safety, efficacy, and quality. Among various packaging materials, aluminum-plastic composite films are widely used, especially for moisture- and oxygen-sensitive medications like powders, due to their excellent barrier properties. Therefore, rigorous testing is necessary.



Oxygen and water vapor transmission are two key properties that must be controlled. Oxygen can cause oxidation of active pharmaceutical ingredients, leading to degradation and loss of potency. Moisture can similarly promote chemical degradation, alter physical properties, and encourage microbial growth. Therefore, evaluating the barrier performance of aluminum-plastic composite packaging against these elements is crucial for ensuring drug stability and extending shelf life.

Several standardized test methods exist for quantifying these barrier properties. Oxygen transmission rate (OTR) is typically measured using coulometric or pressure difference methods. Coulometric methods, as described in ASTM D3985 and ISO 15105-2, involve measuring the amount of oxygen that permeates through a sample film over a specific time period using an oxygen sensor. Pressure difference methods, such as those detailed in ASTM F1307 and ISO 15105-1, determine OTR by measuring the pressure change in a test chamber caused by oxygen permeation.

Water vapor transmission rate (WVTR) is commonly determined using gravimetric methods, also known as cup methods. These methods, outlined in ASTM E96 and ISO 2528, involve sealing a desiccant inside a test cup with the packaging material as a lid and measuring the weight gain of the desiccant over time due to absorbed moisture. Another method is the modulated infrared sensor method, described in ASTM F1249.



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.

Regular testing of oxygen and water vapor barrier properties according to these standards is essential for pharmaceutical manufacturers to ensure the quality and safety of their products throughout the supply chain and until the point of consumption. By maintaining robust quality control measures on packaging materials, manufacturers can effectively protect medications from degradation and maintain their therapeutic effectiveness.

As the demand for functional packaging grows, testing methods are evolving to ensure a more comprehensive evaluation of film materials. Labthink encourages collaboration with companies for quality control! Visit the website www.labthink.com to learn more!

1/09/2025

Evaluating the Barrier Performance of Protein-Based Films

Protein-based films, derived from sources like whey, soy, and gelatin, are emerging as promising sustainable alternatives to traditional petroleum-based plastics. Their biodegradability, edibility (in some cases), and potential for tailored functionalities make them attractive for various applications, particularly in food packaging and biomedicine. These films must undergo rigorous testing to ensure they effectively perform their intended roles. A crucial aspect of this evaluation lies in assessing their barrier properties.

Protein films are designed to fulfill diverse functionalities. In food packaging, they aim to extend shelf life by preventing moisture loss, oxidation, and microbial growth. In biomedical applications, they might serve as drug delivery systems or wound dressings, requiring biocompatibility and controlled release capabilities. These functionalities depend heavily on the film's ability to act as a barrier against various substances.



Barrier properties refer to a film's ability to impede the passage of different molecules. Essential barrier tests include evaluating water vapor permeability (WVP), oxygen permeability (OP), and sometimes permeability to other gases and aromas. WVP measures the rate at which water vapor travels through the film. This is vital for maintaining the desired moisture content of packaged goods. The gravimetric method, a common WVP test, involves measuring the weight gain of a desiccant placed beneath the film in a controlled humidity environment. Lower WVP values indicate a better moisture barrier, crucial for preventing soggy snacks or dried-out produce.

OP, on the other hand, measures the rate of oxygen transmission. This is critical for preventing oxidative degradation of food, which leads to rancidity and off-flavors. Coulometric or manometric methods are employed to quantify OP, with lower values indicating a more effective oxygen barrier. Beyond these, permeability to other gases like carbon dioxide (important for modified atmosphere packaging) and nitrogen, as well as aroma compounds, may also be assessed using gas chromatography or sensory evaluation.

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 and building materials.


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.

These tests are significant because they directly correlate with the film's performance in real-world applications. A high WVP in a food package could lead to spoilage, while a high OP could compromise the quality and safety of oxygen-sensitive products. By rigorously testing these barrier properties, researchers and manufacturers can optimize protein-based film formulations and processing methods to create effective, sustainable packaging and biomedical solutions.

As the demand for functional packaging grows, testing methods are evolving to ensure a more comprehensive evaluation of film materials. Labthink encourages collaboration with companies for quality control! Visit the website www.labthink.com to learn more!

1/07/2025

Oxygen Barrier Testing for Protein Powder Packaging

Protein powder, a popular dietary supplement, is highly susceptible to oxidation due to its high protein content. Oxidation degrades the nutritional value of the powder and can even lead to unpleasant odors and flavors. Therefore, the packaging plays a crucial role in maintaining product quality and extending shelf life. One of the most critical aspects of protein powder packaging is its ability to prevent oxygen from permeating the package, a property known as oxygen barrier performance.

Commonly used packaging materials for protein powder include aluminum foil laminates, metallized films, and even metal cans, all chosen for their barrier properties. However, simply using these materials isn't enough; rigorous testing is essential to ensure their effectiveness. One key test is the oxygen transmission rate (OTR) test, which measures the rate at which oxygen passes through the packaging material. This test is crucial for determining the packaging's ability to protect the protein powder from oxidation.


Two common methods for measuring OTR are the coulometric method (also known as the isobaric method) and the pressure differential method. The coulometric method, as described in ASTM D3985 and ISO 15105, involves placing a sample of the packaging material between two chambers. One chamber contains oxygen, while the other is purged with nitrogen. Oxygen that permeates through the material into the nitrogen-filled chamber is then measured by a coulometric sensor. The sensor's readings are used to calculate the OTR. This method provides a precise measurement of the material's oxygen barrier properties.


Labthink C230H Oxygen Transmission Rate Test System, based on the coulometric (equal pressure) method and compliant with ASTM D3985, accurately and efficiently measures oxygen transmission rates in medium-to-high barrier materials. Featuring a patented three-cell integrated test block, a high-precision coulometric sensor, and precise computer control of temperature, humidity, and flow rate, it ensures highly sensitive and repeatable results. Suitable for films, sheets, paper, and packaging in various industries (food, pharma, medical, etc.), optional accessories enable testing of complete packages like bottles, pouches, and cartons.

Testing of protein powder packaging for its oxygen barrier performance ensures that the chosen packaging materials meet the required standards for product protection. By regularly monitoring OTR, manufacturers can confidently guarantee the quality and safety of their protein powder products throughout their intended shelf life, preventing spoilage and maintaining consumer satisfaction. Ultimately, prioritizing oxygen barrier testing is a crucial step in delivering high-quality protein powder to consumers.

As the demand for functional packaging grows, testing methods are evolving to ensure a more comprehensive evaluation of film materials. Labthink encourages collaboration with companies for quality control! Visit the website www.labthink.com to learn more!

1/06/2025

Testing Barrier Properties in Dry Seasoning Packaging

Dry Seasoning refer to vibrant blends of herbs and spices, they add life to our culinary creations. However, maintaining their flavor and potency requires robust packaging. One of the most critical aspects of this packaging is its ability to act as a barrier against external elements.

Stand-up pouch is a common packaging type for seasoning powder for it’s convenient for storage and dispensing. Pouches materials include Polyethylene (PE, Polypropylene (PP), Metallized Films, and Laminates, these materials provide excellent barrier properties against light, oxygen, and moisture, helping to preserve the flavor and freshness of the seasoning powder.


Moisture and oxygen can significantly degrade the quality of seasoning powders. Moisture can cause clumping and spoilage, while oxygen can lead to oxidation, diminishing flavor and potency. To combat these threats, rigorous testing is conducted to measure the packaging's barrier properties.

Moisture Vapor Transmission Rate (MVTR) tests quantify the rate at which water vapor can pass through the packaging, while Oxygen Transmission Rate (OTR) tests measure the passage of oxygen. These tests are crucial for ensuring the packaging effectively protects the seasoning powder from these detrimental factors. By minimizing the ingress of moisture and oxygen, the packaging safeguards the vibrant flavors and extends the shelf life of the seasoning powders, providing consumers with a consistently high-quality product.



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 the demand for functional packaging grows, testing methods are evolving to ensure a more comprehensive evaluation of film materials. Labthink encourages collaboration with companies for quality control! Visit the website www.labthink.com to learn more!

1/01/2025

Automated Non-Destructive Leak Detection for Vacutainers Blood Collection Tubes

Vacutainers for blood collection must be perfectly sealed to prevent leaks and ensure accurate sample integrity. Traditional leak testing methods can be time-consuming and may involve destructive testing, impacting production efficiency.

Vacutainers vacuum blood collection tubes (Image generated by AI)


Vacuum decay methods offer a non-destructive alternative. The Vacutainer is initially filled with a known pressure of air or an inert gas. Sensitive pressure sensors then continuously monitor the pressure within the tube. Any significant drop in pressure over time indicates a leak.

This method is highly sensitive, capable of detecting even minor leaks that might otherwise go unnoticed. It can be automated for high-volume production lines, improving efficiency and providing quantitative data on leak rates. This data allows for precise quality control and the identification of potential production issues.


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.

Vacuum decay testing is a valuable tool for ensuring the highest quality standards in Vacutainer production. By integrating this method into manufacturing processes, manufacturers can enhance efficiency and ensure the safety and reliability of these crucial medical devices.

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!