PTFE Envelope 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.

6600V--V Type	PTFE slit in center from out side
6600L--Square Type	PTFE sheet machine cut to envelope form
6600U--U Type	PTFE tape heat sealed at one joint