PTFE enveloped 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.
The perfect gasket for flanges constructed of PVC.FRP.PVDF.CPVC.Polypropylene, cast & ductile iron. Chemseal gasket is made from EPDM rubber and enveloped and combined with PTFE surface protect. This structure provides many characteristics and benefits.