... 1.Meterial:HNBR ,NBR,EPDM,SI,VITON,NR 2.Wire Diameter: 0.8-12MM 3.hardness: 60-95 ... Standard,:1.JIS B 24012.AS568A3. GB/T3452.11)Rubber O-RING NBR o-ring, EPDM o-ring, ... , Siliconeo-ring,FKM o-ringRubber Seal ring,seal circle,rubber seal ring2)AS568, JIS B 2401, Hardnes50-90 SHOREColors ... Silicone o-ring,FKM o-ringRubber Seal ring,seal circle,rubber seal ring2)AS568, JIS B 2401, Hardnes50-90 SHOREColors ...