molded silicone rubber o ring 1.Materials:silicone/viton/EPDM 2.Spec: Molded, OEM 3. different colors, sizes Features of Molded silicone rubber o ring for industrial 1) Material: NBR, NR, EPDM, silicone, SBR,PU etc2)Working temperature: -100 to +300 degrees;3)Working field: Water, lube, oil, industrial, machine, etc;4)Hardness: 25~95 Shore A;5)High tensile Strength, Wear and tear resistance, ...