Ethylene Propylene Diene Monomer Rubber Rings operate on the temperature range of 55 degree to 150 degree C. These Rubber Rings exhibit resistance to water, steam and polar solvents, as well as ozone and sunlight. These Rubber Rings are also resistant to alcohols, glycol engine coolants and phosphate ester hydraulic fluid. These Ethylene Propylene Diene Monomer Rubber Rings works on temperature range of 55 ° C to 150 ° C.