... Y-ring,D-ring,T-ring 3.sample available Industrial Rubber RingFeatures:1. Material: SBR,EPDM.CR,NR,NBR, ... water proof,ozone proof Rubber name temperaturePressure (MPa)Nitrile rubber-51 ~ 121 <2.5MPaFluorine rubber-30 ~ 200<3.0MPaNatural rubber-57 ~ 93<2 ... .5MPaChloroprene rubber-51 ~ 121<2 ...