EPDM, NBR, SBR, NR, Silikoni (VMQ), Neoprene (CR), HNBR, XNBR, FKM, FFKM, FVMQ, FLAS, PTFE, PU, ECO, IIR, ACR, bbl
Ti eyikeyi awọn ibeere pataki ba wa lori iṣẹ ohun elo, gẹgẹbi sooro iwọn otutu, koju abuku, ṣeto funmorawon,