How does PTFE microporous membrane achieve waterproofing and moisture permeability?

Using the pore-forming properties of polytetrafluoroethylene plastic resin, it is a microporous film made by biaxial stretching method.

The surface of the membrane can reach more than one billion micropores per square centimeter. The diameter of each micropore (0.1μm-0.5μm) is hundreds of times smaller than the diameter of water molecules (20μm-100μm) and smaller than the diameter of water vapor molecules (0.0003 μm-0.0004μm) is tens of thousands times larger, allowing water vapor to pass through, but water droplets cannot pass through. This microporous structure can be used to achieve excellent waterproof and breathable functions.

PTFE film manufacturer specializes in the production of polytetrafluoroethylene microporous membranes. It has a full set of advanced production equipment and technology, and also has an advanced clean room and an independent composite slitting workshop to ensure the production quality of PTFE membranes.

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