... :EPDM,SBR NR,NBR and Silicone Any size and color are available O ring features: 1. Material: NBR, silicone ... , NR, FKM, neoprene, etc2. Types of O-Ring ... Rubber Oil Seal, Rubber Seal, Rubber Gasket, O-Ring: Black, red, yellow, brown, white, green, violet ... Seal,Rubber Oil Seal,Rubber Seal or O-Ring and Rubber Gasket is welcomed as well. 6. ...