rubber o-ring:As a common rubber ring,O-ring is used more in static seal,and some in reciprocating seal and rotating seal.o-ring thermostability and oil resistant o-rings We can provide standard and non-standard o-ring,and with any sides and any material.Our material include NBR,SBR,CR,NR,HNBR,EPDM,FKM,FFKM,SI,ACM and so on.we required these certification NSF,WRAS,FDA,ROHS,DVGW and so on. We also ...