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Labthink Instruments Co., Ltd.
Group: Labthink
Catalog excerpts
Labthink Instruments Co., Ltd. info@labthink.com +86-531-85068566 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.
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Labthink Instruments Co., Ltd. info@labthink.com +86-531-85068566 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...
Open the catalog to page 2
Labthink Instruments Co., Ltd. info@labthink.com +86-531-85068566 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...
Open the catalog to page 3All Labthink Instruments Co. catalogs and technical brochures
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Archived catalogs
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Leak Tester2 Pages
