PTFE porous membrane is made of suspended polytetrafluoroethylene resin by molding, sintering, cooling into a blank, and then turning and calendering.
The polytetrafluoroethylene microporous membrane can be coated on various fabrics and substrates using a special process to become a new type of filter material.
The membrane has small pore size, uniform distribution and large porosity. While maintaining air circulation, it can filter all dust particles including bacteria to achieve purification and ventilation purposes.
?PTFE porous membrane has excellent waterproof, moisture permeable, air permeable, corrosion resistance, aging resistance, high temperature resistance and other properties.
The pore diameter of this microporous membrane can be between 0.1-1um, the thickness can be between 10-100um, the porosity can reach 50%-90%, and there are hundreds of millions of micropores per square centimeter. .
Since the pore size of the microporous membrane is much larger than that of water vapor molecules, and polytetrafluoroethylene (PTFE) is a hydrophobic material, water droplets cannot penetrate the micropores, so it has good moisture permeability, air permeability and waterproof properties. The porous membrane can withstand water pressure up to 0.1MPa.
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