... composed of flat gaskets, V-shaped gasket, piston rings, ball washers, etc,which used PTFE rods, tubes, plates made by mechanical ... equipment, wide turning plate and so on. In the know plastics, PTFE has the best chemical corrosion resistance and dielectric, non-stick ... gasket,PTFE Envelope gasket and so on. And we are the powerful gaskets manufacturer and supplier, and will always do our ...