How is PTFE high temperature membrane produced?
The processing technology of high-temperature polytetrafluoroethylene film is complex. It is made by molding, sintering and cooling suspended polytetrafluoroethylene resin into a blank, and then turning and calendering. The turned film is a non-oriented film, and the non-oriented film After calendering, the oriented film is formed.
The non-oriented film is calendered 1.1-1.8 times to become a semi-oriented film.
PTFE film is used as capacitor dielectric, wire insulation, electrical instrument insulation, and sealing gasket.
Because PTFE film has good acid and alkali resistance, high toughness and temperature resistance, it is widely used in medical, electronic communications, aerospace, military and other fields.
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