PTFE microporous membrane material was synthesized and discovered by DuPont in the late 1930s.
PTFE microporous membrane has excellent chemical stability, aging resistance, high and low temperature resistance, lubricity, non-stickiness, electrical insulation, radiation resistance, etc., and enjoys the reputation of “King of Plastics”.
It is widely used in chemical industry, textile, papermaking, aerospace, petroleum, construction, food, medicine, machinery and marine operations.
Polytetrafluoroethylene microporous membrane is made of polytetrafluoroethylene as raw material. It is expanded and stretched to form a microporous film. This film is coated on various fabrics and substrates using a special process. , can 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 the purpose of purification and ventilation.
The material produced has the following advantages: (1) The porosity can reach 80%~90%. The porosity is high and the microporous structure is stable.
(2) Surface filtration mechanism, easy dust removal membrane has small pore size, small and uniform pore size.
(3) Low resistance value, filtration efficiency can reach 99.999995%, and can be used for a long time in the range of -200~250℃.
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