Expanded PTFE Membrane
What is an Expanded PTFE Membrane?
The ePTFE is a kind of microporous membrane formed from polytetrafluoroethylene by extrusion.
It is found that the surface of the PTFE membraneis full of fibrillary micropores, and there are as many as 9 billion micropores per square inch. The cross-section is a kind of network structure, and the three-dimensional structure of the pore has very complex structures, such as network connection, hole inlay, channel bending. The diameter of the water vapor molecule is 0.0004µm, while the diameter of mist with the smallest diameter in rainwater is 20µm. the diameter of the drizzle is as high as 400µm, the pore diameter of polytetrafluoroethylene varies from 0.1µmto 0.5µm.As we can see, the pore diameter of the expanded PTFE membrane is between water vapor and rainwater, so it is the top waterproof and breathable material. The composite fabricis made of expanded polytetrafluoroethylene film (ePTFE) and polyester fiber by a special process.
SUNGOD Technology is one of the most professional PTFE membrane manufacturerswith headquarter in Shanghai China. Major business in professional & tender (military, police, fire fighting, workwear, medical), offering tailor-made membrane with unparalleled comfort protection in the widest range of conditions. Also, as a PTFE membrane supplier, we possess high tech lamination lines to provide performance functional protective textile turnkey solutions.
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