PTFE Envelope Gasket PTFE is made of a thickness of 0.5-1mm ring gasket, in the incision into the core material (asbestos or rubber sheet, etc.) section for the "Y" type or " U "type of package pad, while maintaining the PTFE gasket of the kind of strong corrosion resistance and higher resilience, excellent sealing performance, can be used in petroleum, chemical, power, pharmaceutical, food, etc. industrial equipment, the static sealing flange.

 A. Y-type
        A coated mouth, the horizontal, flat metals, ceramics and glass sealing surface with good results. Also known as Y-type section of the package pad. Turning into a tube material with 0.8MM-1MM ring slices cut from the center of the lateral thickness, the incision into the core material, the incision open to the inner hole of about 1.5-2.0MM)
B.  U-type 
       The gasket produced by the machine, filling material is generally compressed asbestos or rubber sheet. Outer layer thickness is 0.4-0.5MM ribbon PTFE film, and then package out with the filling material , was U-shaped.