... : high temperature resistance, NBR: oil resistance, CR: abrasion resistance, EPDM: aging resistance, FKM: corrosion resistance, etc. Not the expensive is the ... different sizes of rubber washers, also different materials of rubber wahsers, viton rubber washer, silicone rubber washer, EPDM rubber washer, NBR rubber washer, PU rubber washer, NR rubber washer, etc.Some Rubber Wshers as below ...