PTFE enveloped Gasket is a kind of non-metal gasket. normally it is made up by cladding part and packing. the clart,the materiaadding part, which is normally made of teflon function as anti-corrosion pl of packing is non-metal sealing material which has good elasticity and can be with or without metal enhancing layer. this sealing gasket are divided into style v, style u, style l according to the different in frame of inner core. in the field like petroleum, chemical industry, medicine industry,and food industry, we use teflon gasket to make sure the cleanness. and it also used in sealing of strong acid, strong alkali strong oxidizer, chlorine, and other material don't allow pollution.

PTFE is the most chemiclly inert of the whole wide range of the plastic family being resistant to all known chemicals. It is also suitable for use over very wide tempreature range of the order of -80 degree C to +250 degree C. It also has excellent physical properties, low coefficient of friction, is non -contammating and non-corrosive.