MIL-R-83285, MILITARY SPECIFICATION: RUBBER, ETHYLENE-PROPYLENE, GENERAL PURPOSE (23-JUL-1970 ) [S/S BY SAE-AMS-R-83285]

MIL-R-83285, MILITARY SPECIFICATION: RUBBER, ETHYLENE-PROPYLENE, GENERAL PURPOSE (23-JUL-1970 ) [S/S BY SAE-AMS-R-83285]., This specification covers two grades of ethylene-propylene rubber having excellent resistance to ozone and to water, but poor resistance to hydrocarbon oils or solvents.