Rubber Oil Ring 1. Quality certificate: ROHS. 2. Materials: NBR, NR, ... : good heat resistance,antoxidation,no permeation,acid resistance,alkali resistance. Rubber Oil Ring1. Unit price: depends on the material and the ... low temperature resistance,UV-resistance ,Ozone resistance,Abrasion resistance Color: Black,white, Transparent,gray,green,yellow,blue,red etc.4. Customers ...