... , Wear and tear resistance, Durable;· UL & SGS certification;· Rubber Material: NBR, HNBR, XNBR, EPDM, CR, NR, SBR, VMQ, FKM, LAS, FVMQ, FFKM ... in person at any time. We are professional maufacturer of rubber/silicone/plastic products. rubber block EPDM or NR others