seal(o ring oil seal stem valve seal rubber plug stopper) Materials:NBR,NR,FPM,EPDM, silicone, SBR,PU Specifications: Molded seal(o ring oil seal stem valve ... seal rubber plug stopper)Materials: NBR, NR, FPM, MVQ, EPDM, silicone, SBR,PUFunction: automobile/machine useCharacteristics:ozone ...