WEALSON PTFE Envelope/coating Gasket Aiflon PTFE E nvelope gasket consists of asbestos,non-asbestos,rubber etc.cushion material having exposed surface covered with PTFE envelope.Depends on excellent corrosion resistance and compession resilient. it"s widely used in strong alkalis,cryogenic fluids,oxygen,chlorine gas and disallowable polluted medium etc.
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