... main product are molded rubber parts products like O rings, rubber seals, rubber band, oil seal,water seal and rubber gaskets etc. Itemsoft silicone ... outside, 46*34*34 cmNot-standard packing: follow customers' requirement Rubber O Ring Gasket1) Available material : NBR,SILICONE,VITON(FKM),Neoprene ... temperature resistance, oil resistance, anti-ozone and aging, wearing NBR flat rubber gaskets