... . 4.Welcome letters to consult Applicable models: OIL SEAL sizeanycolorblack,brown,blueMQQ200MaterialNBR,FKM,EPDM,PTFE,viton Our advantage: Good chemical resistance ... Good elasticity High resistance to water Low compression set Raw material cost · Material:silicone or rubber (NR, SBR, NBR, EPDM, CSM, CR ...