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Home / News / What is expanded polytetrafluoroethylene sheet?

Expanded polytetrafluoroethylene sheet is a high-sealing backing plate made of polytetrafluoroethylene, which does not contain any adhesives and additives. It has strong resistance to chemical corrosion; the special design makes the backing plate has strong resistance to creep and cold flow, so as to ensure the stable maintenance of the bolt tightening force during the sealing process; it has good flexibility, compression resilience and resistance High and low temperature, non-aging, self-lubricating, etc.; soft and easy to cut, can be cut by machine or hand, easy to install; has a unique conformable forming ability, no need to increase the pressing force, greatly extending the life of the flange. Make up for irregularities in the sealing surface, reliable sealing performance, especially excellent gas sealing performance.
Characteristics of PTFE expanded board
Appearance color: white.
Applicable temperature: -180℃—250℃
Applicable medium: PH 0-14
Conventional size: 1500mm*1500mm thick 1.5-3mm
Users can buy the whole piece and cut them into gaskets according to their own equipment flange calibers, or they can make their own requirements by Wuxi Xiangjian Tetrafluoro Products Co., Ltd.

EPTFE waterproof and breathable composite material

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