Nitrile |
NBR |
40 - 90 |
15 Years |
Petroleum oils and fuels, silicone oils and greases, propane, ethylene glycol, butane, vegetable, mineral oils and greases, dilute acids, and water and steam applications (below 212°F). |
Hydrogenated Nitrile |
HNBR |
50 - 90 |
15 Years |
Petroleum oils and fuels, R134a refrigerant gas, silicone oils and greases, ozone applications, vegetable and animal fats and fluids, water and steam (up to 300° F). |
Fluorocarbon (Viton®) |
FKM |
55 - 90 |
25 Years |
Petroleum oils and fuel, non flammable hydraulic fuels, acids, aircraft engine applications, synthetic hydraulic fluids, organic solvents, mineral and vegetable oil and grease, aliphatic hydrocarbons (butane, propane, natural gas), hard vacuum applications, silicone oils and greases, solvents and water or steam (up to 400°F) |
Perfluoroelastomer |
FFKM |
65 - 90 |
25 Years |
Aliphatic and aromatic hydrocarbons, polar solvents (ketones, esters, ethers), inorganic and organic acids, water and steam. |
Ethylene Propylene |
EPDM |
40 - 95 |
25 Years |
Can be used in water and steam (up to 300°F), glycol based brake fluids, silicone-based break fluids, many organic and inorganic acids, cleaning agents, sodium and potassium alkalis, phosphate ester based hydraulic fluids, silicone oil and grease, alcohols, ketones, esters and ozone. |
Silicone |
VMQ |
20 - 80 |
25 Years |
Temperature range of -60° F to 400° F with some formulations up to 450° F. Physiologically neutral properties, good insulating, excellent ozone and weather resistance, food grade compatibility. |
Fluorosilicone |
FVMQ |
40 - 80 |
25 Years |
Aerospace, jet fuel applications, engine gaskets, automotive emission control systems, fuel pumps and tank systems. |
Polyacrylate |
ACM |
40 - 90 |
15 Years |
Engines and transmissions with good resistance to petroleum fuels and oils, automatic transmission fluid, type A power steering fluid. |
Chloroprene (Neoprene®) |
CR |
40 - 90 |
15 Years |
Chloroprene (CR) o-rings are typically seen in the refrigeration sector, as they demonstrate remarkable resistance to chemicals such as ammonia and a variety of coolants. |
Butyl |
IIR |
30 - 90 |
15 Years |
General purpose applications, vacuum, and low compression set. |
Tetrafluoroethylene |
TFE/P |
40 - 90 |
15 Years |
Automotive engine coolants, motor oils, some brake fluids, and steering fluids; food and pharmaceutical applications, wide temperature range from -40° C to +200° C with special formulations to 250° C. |
Polyurethane |
AU |
40 - 90 |
5 Years |
Engines and transmissions with good resistance to petroleum fuels and oils, automatic transmission fluid, type A power steering fluid. |