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Effect of Temperature and Humidity on Water Vapor Transmission Rate of Packaging Films
1 /2Pages

Effect of Temperature and Humidity on Water Vapor Transmission Rate of Packaging Films

Effect of Temperature and Humidity on Water Vapor Transmission Rate of Packaging Films
1 /2Pages

Catalog excerpts

Effect of Temperature and Humidity on Water Vapor Transmission Rate of Packaging Films-1

Labthink Instruments Co., Ltd. [email protected] +86-531-85068566 Effect of Temperature and Humidity on Water Vapor Transmission Rate of Packaging Films This study explores how temperature and humidity impact the water vapor barrier properties of packaging materials. Temperature and humidity significantly affect a material's water vapor transmission rate (WVTR). Higher temperature and humidity lead to increased WVTR (weaker barrier). The study examines UHT film used for milk packaging. The study adopted cup method (gravimetric method) according to ASTM E96.The testing instrument is C360M Water Vapor Transmission Rate Test System by Labthink. Test Conditions were set to 23℃, 90% RH, 38℃, 70% RH, and 38℃, 90% RH The results showed that WVTR increased with higher temperature at the same humidity level. WVTR increased with higher humidity at the same temperature level. In conclusion, high temperature and high humidity environments weaken the water vapor barrier performance of UHT film. Labthink C360M Water Vapor Transmission Rate Test system provides an automated and reliable testing process.

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Effect of Temperature and Humidity on Water Vapor Transmission Rate of Packaging Films-2

Labthink Instruments Co., Ltd. [email protected] +86-531-85068566 More oxygen and water vapor transmission rates testers adopting various test method are available from Labthink, please visit the website www.labthink.com to learn more! Labthink encourages collaboration with packaging industry companies for quality control! 2

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