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Envelope Gasket
PTFE Envelope Gasket
PTFE Envelope Gasket
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 PTFE envelope cover.

PTFE has superior properties against chemical (not affected by all chemicals except molten alkali metal and fluorine at elevated temperature) and temperatre (from -180°C - +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 ageing characteristics.

Applications :

PTFE envelope gasket is used to seal pipe flange and joint of industrial machinery apparatus which is lined with rubber, plastic ceramics, graphite etc.

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