... , Oil seals, Water Seals, Air Seals. Silicone Rubber O-ringsDetailed Product DescriptionSilicone Rubber O-rings: 1, ROHS,SGS 2, ISO9001 ... , Water Seals, Air Seals. Silicone Rubber O-rings:Silicone Rubber O-Rings Specification1, MaterialNBR, NR, EPDM, Silicone, SBR, etc2, Material Rohs-SGS ... to + 150°C4, Hardness30-80A5, ShapesO-Type, E-Type, U-Type, V-type, or your custom design.6, Diameter1mm to 80mm7 ...