... :X ring,U ring,V ring,O ring,etc CR Rubber o ring 1. Main materialNeoprene(CR),also can use Natural ... rubber, SBR, NBR, IIR, PU, EPDM, Silicone, FKM, FVMQ, HNBR, ECO, ... place:They are widely used in automobile, electrical appliances, building vibration isolation and other industry. For example, air blower, water pump ...