Hydrogenated Nitrile 90 Durometer O-Ring

Product Number:
  • Introduction:

    Hydrogenated nitrile (HNBR, HSN) is a synthetic polymer that results from the hydrogenation of nitrile rubber (NBR). Superior mechanical characteristics, particularly high strength, helps reduce extrusion and wear.

    • Heat resistance
    • Up to 150°C (300°F)
    • Cold flexibility
    • Down to approximately -48°C (-55°F)
    • Chemical resistance
    • Aliphatic hydrocarbons
    • Vegetable and animal fats and oils
    • HFA, HFB and HFC hydraulic fluids
    • Dilute acids, bases and salt solutions at moderate temperatures
    • Water and steam up to 149°C (300°F)
    • Ozone, aging and weathering


    Not compatible with:
    • Chlorinated hydrocarbons
    • Polar solvents (ketones, esters and ethers)
    • Strong acids
    • Used for Oilfield, High Temperature Hydraulics, ED Resistant


    *Custom sizes and coatings/markings are available upon request. Contact Parker O-Ring Division at 859-269-2351 for design and pricing assistance.

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