... seal: 1) Materials: NBR, NR, FPM, MVQ, EPDM 2) Model:TC,TB,TA,SC,SB,MG,etc valve stem seal features ... ) Characteristics: high/low temperature-resistant, wearing-resistant, oil-resistant. 3)TC,TB,TA,SC,SB,MG,etc Products name oil sealExperiencemore ...