Waterproof breathable membranes (typically referring to ePTFE - expanded polytetrafluoroethylene membranes) are high-tech polymer films containing billions of microscopic pores per square inch. These pores allow gas molecules to pass freely but effectively block liquid water, oil, dust, and other contaminants based on ...
A vent plug is a miniature engineered component that integrates a micro-porous venting membrane (typically ePTFE). Operating on the physical principle of "Allows Air to Pass, Blocks Liquids," it serves as an essential "intelligent breather" in modern packaging, widely used in sealed packaging that r...
**Application of Venting Membrane in Liquid Packaging: Technology, Advantages, a
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