... of high-quality FKMO ring seals 1.Material- FKM 2.Supply fast,best price,good quality 3.Any HOT SELL o rings1)We have kinds of ... material : NBR,HNBR,EPDM,SILICONE,VITON,NR,FLS,FFPM,PU,PTFE etc.2) High temperature and acid-alkali ... , EPDM, SBR, etc.) which sell well at home and abroad.VITON1.high temperature resistance2.Oil resistant3.Electrical insulation4.Good physical equipment ...