... rubber seal 1.Materials: NBR, NR ,EPDM ,SBR ,SR ,CR ,Silicon, etc. 2.Various sizes. 3.Superior quality. 4. Different sizes of Oil Seal,Rubber Oil Seal,Rubber Seal ... other rubber products. The material of these products are NBR, NR, EPDM, FKM, SILICON RUBBER, NYLON, PU, CR, SBR, EP, IIR etc window rubber seal