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PTFE Envelope Gasket
PTFE Envelope Gasket
Shanghai Wealth Maker Industry is a professional manufacturer and exporter of valves and accessories in China, having won a very good reputation in the industry. The company offers polytetrafluoroethylene (PTFE) envelope gasket. Features: PTFE envelope gasket is a kind of static seals. It is composed of elastic materials such as compressed asbestos sheet, rubber, ceramics, etc., and a PTFE envelope cover. PTFE has superior properties against chemical (not affected by all chemicals except molten alkali metal and fluorine at elevated temperature) and temperature (from -180~+250?C). The coefficient of static and dynamic friction of PTFE are very low. PTFE is the best of the "non-stick material. It has excellent weathering and aging characteristics.