9/29/2024

Nondestructive Testing of Condom Packaging Integrity

Condom packaging integrity is a critical factor in ensuring the safety and effectiveness of condoms. Leaks in the packaging can lead to lubricant loss, reducing the effectiveness of the product. To guarantee the quality of condom packaging, manufacturers employ various testing methods, including nondestructive testing techniques.


Condom packaging typically consists of a foil pouch or a cardboard box with a plastic liner. The packaging serves as a barrier between the condom and the external environment, protecting it from damage and contamination. It also provides information about the product, such as size, brand, and expiration date.

Nondestructive packaging leak testing involves detecting leaks in the packaging without damaging the product itself. This test offers several benefits, including

Accuracy: The methods used are highly accurate in detecting leaks, even small ones.

Efficiency: Testing can be performed quickly and efficiently, allowing for high-throughput testing.

Non-destructive: The tests do not damage the packaging or the condom, ensuring that only undamaged products reach consumers.

Cost-effective: Nondestructive testing can be more cost-effective than destructive methods, as it avoids the need to discard damaged products.

One common nondestructive testing technique used for condom packaging is the vacuum decay method. This method involves placing the condom package in a vacuum chamber and monitoring the pressure over time. If there is a leak in the packaging, the pressure will decrease as air enters. Another method is pressure decay testing, when a package is pressurized with a known amount of gas, if there is a leak, the pressure will decrease over time as the gas escapes.


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 employing nondestructive packaging leak testing, condom manufacturers can ensure that their products meet the highest quality standards and are safe for consumers to use.

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!

9/28/2024

Non-Destructive Package Leak Detection Applications in Pharmaceuticals

In the pharmaceutical industry, where product integrity is paramount, ensuring the safety and efficacy of medications is of utmost importance. Traditional destructive testing methods can lead to product wastage and delay time-to-market. This is where non-destructive package leak detection shines.



Vacuum decay and pressure decay are two common methods used in non-destructive package leak detection. In vacuum decay, the package is placed under a vacuum. Leaks will allow air to enter, increasing the pressure. Conversely, in pressure decay, the pressure within a sealed package is measured. A leak will cause the pressure to drop more rapidly.

Non-destructive leak detection is beneficial for pharmaceutical packaging. By avoiding destructive testing, non-destructive leak detection prevents product wastage, ensuring that valuable medications are not lost. The testing process is significantly faster, reducing turnaround time and accelerating product release. These methods provide reliable and accurate results, helping to identify potential packaging defects early on. Adherence to strict quality control standards is essential in the pharmaceutical industry. Non-destructive leak detection helps ensure compliance with regulatory requirements.


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.

Non-destructive leak detection has various applications in Pharmaceutical Packaging, such as blister packs, which are commonly used for packaging tablets, capsules, and other solid dosage forms, blister packs can be easily tested for leaks using vacuum or pressure decay methods. Vials, commonly used for liquid medications, can also be effectively inspected for leaks using these techniques; and ampoules, small glass containers used for sterile injectable medications, can be tested for integrity using non-destructive methods.

In conclusion, non-destructive package leak detection, particularly vacuum decay and pressure decay, offers a valuable solution for the pharmaceutical industry. By preserving products, improving efficiency, and ensuring quality, these methods play a vital role in safeguarding the integrity of medications and protecting public 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!

9/23/2024

Measuring the Impact of Film Thickness on Film Oxygen and Water Vapor Transmission

The barrier properties of films, such as their ability to resist the permeation of gases like oxygen and water vapor, are crucial for the packaging of a wide range of products, including food, pharmaceuticals, and electronics. These properties are influenced by various factors, among which the thickness of the film plays a significant role. This study explores the relationship between film thickness and barrier performance, focusing on oxygen and water vapor transmission rates.


Understanding the barrier properties of films is essential. Higher oxygen and water vapor barrier properties can extend the shelf life of products by preventing oxidation, moisture loss, and contamination. Barrier films help maintain the quality and integrity of products during storage and transportation. Knowledge of barrier properties aids in the selection of appropriate packaging materials for specific products and applications. Many industries have regulations regarding the barrier properties of packaging materials.

This study tested the several materials to explores the relationship between film thickness and oxygen and water vapor barrier performance. The tested materials include plastic films, aluminum foil, films with metal coatings and film with ceramic coatings, and multilayer films composed of different materials.



Labthink C403H Oxygen/Water Vapor Transmission Rate Test System is a versatile instrument used to measure the oxygen and water vapor transmission rates of various materials. This system employs coulometric oxygen sensors and infrared water vapor sensors, adhering to standards such as ASTM D3985 and ISO 15106-2.

Generally, as the thickness of a film increases, its barrier properties improve. This is because a thicker film offers a longer diffusion path for gases, reducing the rate at which they can permeate through the material. However, there are limitations to this relationship, the specific material and its inherent barrier properties will influence the extent to which thickness affects barrier performance.; factors such as temperature, humidity, and pressure can affect test results; non-uniformities in the film, such as pinholes or defects, can significantly impact barrier performance.

Film thickness is a critical factor in determining the barrier properties of packaging materials. By understanding the relationship between thickness and barrier performance, manufacturers can select the most appropriate materials for their products and optimize packaging designs. The C403H Oxygen/Water Vapor Transmission Rate Test System provides a reliable and accurate method for measuring these properties, ensuring product quality and extending shelf life.

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! Measuring the Impact of Film Thicknes

9/19/2024

Air Permeability Test Quantifying Leather Breathability

Leather is widely used in clothing, footwear, foot pads, seat pads, sofas, and other products. Its permeability significantly affects the comfort of these products, especially those in direct contact with the human body, such as leather clothing and footwear. If leather has poor permeability, it cannot effectively dissipate the sweat and heat generated by the human body, leading to a damp and hot feeling during wear, resulting in a negative wearing experience for consumers.

The collagen fiber gaps in leather serve as channels for gas and energy exchange between the inside and outside of the leather. Processes such as acid-base treatment, softening, texturing, greasing, tanning, and finishing during leather production can affect the uniformity, size, and quantity of these collagen fiber gaps. Therefore, testing permeability can provide data for adjusting and improving leather production processes, ultimately enhancing the quality of leather products.



The standard test method for measuring the air permeability of leather is ASTM D737. This test measures the rate at which air flows through a material under a specific pressure differential. Labthink TQD-G1A Air Permeability Tester is applicable to this test.

This equipment can test the permeability of materials using two different principles: the "constant pressure difference measurement flow rate method" and the "constant flow rate measurement pressure difference method." The former adjusts the pressure to create a constant pressure difference between the two sides of the sample, then measures the airflow volume passing through the sample in a given time, and calculates the permeability of the sample. The latter adjusts the airflow to maintain a constant flow rate through the sample, then measures the pressure difference between the two sides of the sample under this condition, and calculates the air flow resistance.



Beside the air permeability of leather, Labthink TQD-G1A Air Permeability Tester is also applicable to testing of air permeability and air resistance of automotive interior decoration materials, such as polyurethane foam, PVC, textiles, nonwovens. In addition, it can also be used to test the permeability of separation membrane, sponge, carpet, non-woven fabric, paper and leather. The instrument conforms to ISO 9237, ISO 4638, ISO 5636, GB/T 10655, GB/T 5453, GB/T 4689.22, GB/T 13764, ASTM D737, TAPPI T460, JIS P8117.

Permeability is a crucial factor influencing the performance of leather applications. It is typically measured using the pressure difference method. Labthink TQD-G1A Air Permeability Tester can be used to test the permeability of leather. The testing process is simple, takes a short time, has high efficiency, and the equipment is easy to operate. The test process involves less interference from human factors on the test results, the test results are more accurate and reliable.

9/18/2024

Investigating the Potential of Tomato Peel Based Biodegradable Films for Eco-Friendly Packaging

The increasing demand for sustainable and biodegradable materials has led to a surge in research on plant-based alternatives to traditional plastics. Tomato peels, a byproduct of tomato processing, offer a promising source for the development of such materials. This study focuses on the water vapor barrier properties of a film made from tomato peels, a critical factor for various applications, including food packaging and medical use.



To determine the water vapor transmission rate (WVTR) of the film, the cup method, also known as the gravimetric method, was employed. Labthink C360H water vapor transmission rate tester was used for this purpose.

The testing procedure involved placing the film between a desiccant-filled cup and a lid, creating a sealed chamber. The testing procedure involved placing the film between a desiccant-filled cup and a lid, creating a sealed chamber. The equipment then measured the weight change of the cup over time to determine the WVTR.

The WVTR of the tomato peel film was found to be 72.317 g/(m²·24h). While this value indicates a moderate water vapor barrier, it may not be sufficient for applications requiring high levels of moisture resistance.


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.

To improve the water vapor barrier properties of tomato peel-based films, several strategies can be explored. For instance, combining tomato peel extract with other biopolymers, such as starch or chitosan, can enhance the film's barrier properties. Or applying coatings or treatments to the film's surface can create a more effective barrier against water vapor.

Tomato peel-based films offer a sustainable and biodegradable alternative to traditional plastic films. However, their water vapor barrier properties may need to be improved for certain applications. Future research and development efforts will be crucial in optimizing these films for various uses.


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!

9/17/2024

Comprehensive Testing Solution for Non-PVC Infusion Bags



The increasing use of non-PVC multi-layer coextruded film infusion bags in healthcare sector necessitates rigorous quality control to ensure the safety and efficacy of medications. One critical aspect of quality assurance is the testing of these bags' sealing performance.



Heat Sealing Strength Testing

The heat sealing strength of a non-PVC infusion bag is a crucial indicator of its integrity. A poorly sealed bag can lead to leakage, contamination, and loss of medication. This test ensures that the sealed edge is strong enough to withstand the pressure of the infused liquid and prevent leakage during handling and storage. To assess this property, Labthink Auto Tensile Testers can be employed.


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.

Leak and Seal Strength Testing

This test is vital to prevent the loss of medication and potential contamination. It ensures that the bag can withstand the pressure of the infused liquid without compromising its integrity. To verify the absence of leaks in an infusion bag, Labthink Leak and Seal Strength Tester is utilized.


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

Burst Test

In addition to leak and seal strength testing, burst tests on infusion bags is also important. This test determines the maximum pressure the bag can withstand before bursting, ensuring its durability and safety during handling and transportation.


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.

Testing the heat sealing performance, leak and seal strength, and burst resistance of non-PVC infusion bags is essential for ensuring their quality and safety. By employing specialized testing instruments, healthcare providers and manufacturers can maintain high standards and protect the integrity of medications.

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!

9/13/2024

The Impact of Sterilization on the Oxygen Barrier Properties of PVDC Composite Film

Introduction

The sterilization process is a critical step in food processing, ensuring the safety of products. However, this process can also influence the properties of packaging materials. This study investigates the effect of sterilization on the oxygen barrier properties of PVDC composite film, a commonly used packaging material.



Materials and Methods

PVDC composite film samples were subjected to a sterilization process. The oxygen permeability of these samples was measured both before and after sterilization using Labthink C230H Oxygen Transmission Rate Test System. This system employs the coulometric method, also known as the equal-pressure method, to determine oxygen transmission rates.

The test procedure involved cutting samples from the film, clamping them into the test chambers of the instrument, and setting parameters such as temperature and humidity. High-purity oxygen and nitrogen were introduced into the upper and lower chambers, respectively. The oxygen that permeated through the film was measured by the coulometric sensor.


Labthink C230H Oxygen Transmission Rate Test System is designed and manufactured based on the coulometric sensor method (aka. equal pressure method) and conforms to ASTM D3985. This instrument can be used to measure the oxygen transmission rate of barrier materials with high and medium barrier properties with high accuracy and high efficiency. The instrument features Labthink’s patented design of integrated test block consisting of three permeation cells. Equipped with a high precision coulometric sensor and Labthink’s professional computer-controlled system, the instrument can regulate and control the temperature, humidity and flow rate precisely, guaranteeing high sensitivity and excellent repeatability of test results. C230H is applicable to the determination of oxygen permeability of plastic films, sheeting, paper, and other packaging materials used in food, pharmaceutical, medical apparatus, consumer products, photovoltaic and electronic industries, etc. Optional accessories extend the capability to testing complete packages and systems such as bottles, pouches, cartons, blister packs, tubes and more.

Results and Discussion

The results indicated that sterilization significantly improved the oxygen barrier properties of the PVDC composite film. The oxygen transmission rate of the sterilized samples was lower than that of the unsterilized samples. This suggests that the sterilization process may have altered the molecular structure of the film, making it less permeable to oxygen.

Conclusion

This study demonstrates that sterilization can enhance the oxygen barrier properties of PVDC composite film. The coulometric method used in the C230H Oxygen Transmission Rate Test System proved to be an effective tool for measuring these properties. Further research is needed to explore the specific mechanisms involved in the sterilization-induced improvement of oxygen barrier properties and to assess the potential implications for food packaging applications.

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!