Rubber O RingsItem No.: HDM093Material: Silicone, NBR, SBR, EPDM, NR, FKM, VITON, Neoprene, HNBR, etcSize: customized or standardColor: Black, Green, Clear, Red, etc per Pantone color.Temperature: -40C-360CFeature: UV resistant, Oil resistant, heat resistant, abrasion resistant, aging resistant, insulation, acid and alkaline resistant, shock absorption.Packaging: Poly bag, Carton box, Pallet or as per customer's requestDescription:Description of Rubber O RingsNanjing Hyderman Rubber & Plastic Co., Ltd Specializes in molded rubber products , we can manufacture various rubber products per your design or samples.1) Item: Rubber O Rings, X-Rings, V-Rings, D-Rings, any shape rings per your design.2) Hardness: From 20 Shore A to 90 Shore A.3) Outer Diameter: