rubber silicone o ring 1.water, oil resistance, anti-aging 2.silicone,rubber material 2.FDA,ROHS,SGS ... resistance,Low and High temperature Resistance, Oil and Fuel Resistance, Animal and Vegetable Oil Resistance, Alcohol Resistance, Acid Resistance, Aliphatic-Solvent Resistance,Aliphatic Resistance, Aromatic Resistance,Oxygen Ated-Solvent Resistance, Water ...