sabbia rubber ring material:SBR rubber gasket,EPDM.CR,NR,NBR,silicone,viton Type:O-ring.V-ring,X-ring,Y-ring,D-ring,T-ring sabbia rubber ringmaterial:SBR rubber gasket,EPDM.CR ... ,NR,NBR,silicone,vitonType:O-ring.V-ring,X-ring,Y-ring,D-ring,T-ring ...