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    HNBR O-Rings

    HNBR O-Rings

    HNBR O-Rings are known throughout the industry as a strong and durable. The material will retain its properties even after long-term use in heat, oil and chemicals. HNBR can be used as an effective o-ring sealing material in the automotive industry for Engine seals, grommets, gaskets, A/C seals and hoses, as well as many other uses. In industrial applications, HNBR o-rings have been used for heat exchanger gaskets, blow- out preventers, and paper mill rolls.


    HNBR O-Rings Description:

    HNBR is a more specialized version of NBR created by dissolving emulsion- polymerized NBR into the appropriate solvent. Hydrogen gas is then introduced into the mixture utilizing a precious metal as a catalyst. When produced using the proper temperature and pressure, this process creates a selective hydrogenation and yeilds "Highly Saturated Nitrile" or HSN, also called HNBR

    HNBR O-Rings

    HNBR O-Rings

     

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    HNBR O-Rings Typical Properties:

    Specific Gravity (DIN 53479): 1.23g/cm3
    Hardness at 20EC (DIN 53505): 85(Shore A)
    Tensile Strength (DIN 53504): >18 N/mm2
    Elongation at break (DIN 53504): >200%
    Compression set 22h / 70EC (DIN 53517A): 20%
    Compression set 22h / 100EC (DIN 53485): 22%
    Min. Service Temperature: -13EF(-25EC)
    Max. Service Temperature: 302EF(150EC)
     
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