... neoprene, HNBR, NBR+PVC, NBR, natural rubber, SBR, IR, IIR(butyl rubber), CR (neoprene), EPDM, SBR, AU, ACM ... able to design and manufacture complete sets of rubber parts based on customer's specifications 6) ... natural rubber, SBR,IR, IIR (BUTYL RUBBER), CIIR, CR (neoprene),EPDM, PU (urethane rubber), CE, santropene rubber (thermoplasticrubber),sponge rubber, ABS, ... lead free initiative Oil seal