... 1.material:SBR,EPDM.CR,NR,NBR,silicone 2.type:O-ring.V-ring,X-ring,Y- ... ring,D-ring,T-ring 3.sample available NBR Rubber RingFeatures:1. Material: SBR,EPDM.CR,NR ... ,NBR,silicone 2. Type: O-ring.V-ring,X-ring,Y- ... .6-3557101.6253563.5-89-355989253560-89-355789253548-89-2848892028 NBR rubber ring