VITON O-ring, Silicone O-ring, Nitrile O-ring main type: AS 568 VITON O-ring, JIS PG VITON O-ring, GB VITON O-ring. AS 568 Silicone O-ring, JIS PG Silicone O-ring, GB Silicone O-ring. AS 568 Nitrile O-ring, JIS PG Nitrile O-ring, GB Nitrile O-ring, AS 568 NBR O-ring, JIS PG NBR O-ring, GB NBR O-ring. VITON O-ring, Silicone O-ring, Nitrile O-ring Characteristic: Bears the high temperature, has extremely good bears the climate, bears the ozone and bears the chemical properties, bears the petroleum. VITON O-ring, Silicone O-ring, Nitrile O-ring uses in astronautics, the automobile, the medical service, the drugs manufacture, the satellite, the valve, pump, the bathroom, the electron, the electric appliance, and so on industry. The precise VITON O-ring, Silicone O-ring, Nitrile O-ring surface is smooth, none the needle eye, none the fragments.