
O-rings are used in a wide range of static and dynamic applications, and are the most widely used seal in terms of efficiency and cost.
| Material | Application | Temp. Range |
|---|---|---|
| NBR (Nitrile-butadiene) | Oil resistance, abrasion resistance, hydraulic | -35~100°C |
| HNBR (Hydrogenated NBR) | Cold resistance, new refrigerants | -35~130°C |
| FKM (Fluorocarbon) = Viton®(Dupont) | Heat & chemical resistance | -25~230°C |
| EPDM (Ethylene-Propylenediene) | Water resistance, weathering, steam | -45~130°C |
| VMQ (Silicone) & FVMQ (Fluorosilicone) | Heat/cold resistance, food-grade | -55~200°C |
| CR (Chloroprene) = Neoprene(Dupont) | Excellent weathering & ozone/heat aging resistance | -40~100°C |
| PU (Polyurethane) | Abrasion resistance, high pressure | -40~80°C |
| PA, ACM (Polyacrylate) | Weathering & ozone resistance | -15~150°C |
| PTFE = Teflon | Heat/chemical resistance, solid O-ring | -180~230°C |
| TFE/P, Aflas | Chemical resistance, steam | -40~250°C |
| FFKM (PerFluorocarbon) = Kalrez®(Dupont) | Outstanding chemical & heat resistance | Max 330°C |
| AED grade HNBR, FKM, FFKM (-60°C) | Custom to customer environment | - |