... : NBR, HNBR, CR, PDFE, EPDM, SILICONE, VITON, etc. Can choose on your requirement; Products name oil sealExperiencemore than15 years` experience in rubber parts ... producing and mold developmentMaterialSilicone, NR, SBR, NBR., EPDM, CSM, CR, HNBR, VITON, AFLAS ...