... teflon gasket ,PTFE gasket,:PTFE Washer is composed of flat gaskets, V-shaped gasket, piston rings, ball washers, etc,which used PTFE rods ... chemical corrosion resistance and dielectric, non-stick , in the absence of load condition can be -180 to +260 temperature, always use ... in the solid materials, and it has the lowest coefficient of friction.PTFE gasket technology spesification.There are other kinds ...