1. O RING ,RUBBER RING,RUBBER SEAL,X RING,Y RING 2. Material: NBR .VITON 3. Quality: TS16949 O-ring,RUBBER SEAL,RUBBER SEAL,SEAL RINGCharacteristics/Application :Non-burr molder structure achieves smooth surface. Under different presure,it is suitable for static and dynamic sealing.Widely used in all sealing industries. Material: NBR ACM FKM EPDM VMQ nbr rubber o ring mechnical seal