... 1) Made of NBR, nitrile rubber, EPDM, FFKM, silicon, rubber, SBR, fluorin rubber 2) High quality oil resistance Oil Seal Features ... , nitrile rubber, EPDM, FFKM, silicon, PTFE, neoprene rubber, natural rubber, SBR, fluorin rubber 2) High qualityoil resistancehigh/low temperature resistancehigh tension ...