... 2)Quality:ROHS&SGSstandard 3)OEM of rubber pad 4)Lead time:10days Rubber pad Material NBR, NR, EPDM, FKM, SBR, Silicone ... use6) Use pressure pressure <3.0MPa7) Hit is not bad,8)Very very good elastic tension,9) Good flexibility, 10)Winter ... black150020%SAStearic acid1201.5%Zinc oxide4005%CZ Accelerant1501.2%DMAccelerant801.8%Sulfur1501.5%