... stem seals: 1) Material : NBR, FPM (VITON) , MVQ(SILICONE) , ACM ,EPDM ,PTFE(teflon) ,HNBR 2) ISO9001:2000 Supply oil seal ... seals for Ford, FIAT,RWDR-CALZATO,RENAULT .Material is PTFE/ACM, PTFE/ VITON1. Oil seals generally information:1) Applications : automobile , ... and other euquipment .2) Material : NBR, FPM (VITON) , MVQ (SILICONE) , ACM ,EPDM ,PTFE(teflon) ,HNBR ,3) Outside diameter from:6mm to ...