This is very novel sealing material made of pure PTFE through a unique process, tensile strength. This product is an ideal sealing material applied at the positions of intermediate and low temperature. The filling is convenient and quick, it does not need to dismantle the valve, only need to circle the filling on the valve lever, thrusts it into the packing box, press the cap of the box, it will be pressed densely, also because its soft plastic deformation, it can fill the leakage gap automatically, it also may fill the trench on the packing valve lever, it works on corrode or the attrition old valve. Its self lubrication made the valve to open flexibly.

  Main Specification?