Silicone Seal, O-ring Eco-Environment, rohs Customized Size Wide Usage Available shapes Silicone Seal, O-rings, gasket Silicone Rubber material 1) Good resistance to aging 2) High wearability3) High flexibility4) High resistance to hot and cold temperature5) Good electric insulation6) Any shape/color availableOther shapes, size for your checking. Silicone rubber gasket, O-rings, seals