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May 2024

Securing Product Integrity: Techniques for Tyvek and Porous Packaging

Securing Product Integrity: Techniques for Tyvek and Porous Packaging

In this blog, we delve into various techniques employed to secure product integrity using Tyvek and porous packaging. These techniques encompass rigorous testing methods, innovative approaches, and industry best practices aimed at maintaining the quality, safety, and efficacy of packaged goods.

Overview of Tyvek and Porous Packaging

Tyvek is a brand of flash spun high-density polyethylene fibers, a synthetic material that's extremely durable and resistant to moisture, chemicals, punctures, and tears. Tyvek is valued for its combination of strength and breathability. It allows air and moisture vapor to pass through while blocking liquids, dust, and other contaminants. This makes it ideal for packaging items that need protection from moisture or dust buildup, such as medical devices, electronics, and sensitive documents.

Porous packaging, on the other hand, refers to packaging materials that are intentionally designed with tiny pores or perforations to allow airflow and gas exchange. These materials are often used for products that require a level of aeration or gas permeability, such as fresh produce, certain pharmaceuticals, and some types of chemicals. Porous packaging materials can include paperboard, certain types of plastics, and specialized membranes.

Both Tyvek and porous packaging serve specific purposes in different industries, offering protection and functionality tailored to the needs of the products being packaged.

Tyvek and Porous Package Integrity Testing Methods:

1. VeriPac Technology

VeriPac technology is a non-destructive system for Container Closure Integrity Testing (CCIT) that employs Vacuum Decay technology to identify leaks in packaging. This method, approved by ASTM (F2338), is recognized by the FDA as the consensus standard for assessing package integrity. VeriPac utilizes a vacuum chamber to meticulously test the integrity of packaging. The package is placed inside, and the chamber pressure is precisely lowered. VeriPac then monitors the rate of pressure change. Any leaks will cause the pressure to rise more rapidly, indicating a compromised seal. Vacuum decay leak testing technology is renowned for its high sensitivity and precision, capable of identifying leaks down to 20 microns.

2. Seal-Sensor Technology

Seal-Sensor™ utilizes Airborne Ultrasonic Technology to perform non-destructive inspections of the final pouch seal on the production line. It offers a deterministic, quantitative, rapid, and dependable approach to inspecting pouch seals for defects. Seal-Sensor identifies incomplete seals, areas of weakness or partiality, and various common faults in seals that may seem visually acceptable but harbor defects impacting product quality and shelf-life. The seal is positioned linearly between two transducers, and either the seal or the transducers are moved along its length. As the ultrasound encounters transitions between different materials, it is both transmitted and reflected. Greater differences in acoustic properties between the materials result in more sound being reflected and less being transmitted. Various configurations of Seal-Sensor are available including plug & play installations on existing conveyor lines and integrated solutions.

3. Seal-Scan Technology

On the other hand, Seal-Scan® is an Airborne Ultrasonic Technology (ABUS) designed for offline, non-destructive testing and analysis of pouch seal integrity. This method provides a deterministic, quantitative, and high-resolution inspection of pouch seal defects and consistency. It is non-destructive, non-invasive, and requires no sample preparation. Seal-Scan® features advanced digital imaging software tools for detailed analysis of seal quality. The system adheres to ASTM test method F3004-13. Seal-Scan technology is revolutionizing the way industries approach seal quality testing. By leveraging ultrasonic waves, Seal-Scan can detect inconsistencies and defects that are invisible to the naked eye and undetectable by other means. This capability ensures that every package leaving the production line meets stringent quality standards, safeguarding the end consumer and maintaining the manufacturer's reputation.

Through thorough testing, innovative sealing methods, and adherence to industry standards, manufacturers can effectively protect their goods from environmental hazards and contamination. As technology progresses, so will the methods for enhancing product integrity, ensuring that packaged items meet stringent quality requirements. By embracing these techniques, businesses can uphold consumer trust and deliver products of the highest standard.

vacuum decay leak testing, seal quality testing, tyvek packages

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