An object of the present invention is to provide an HNBR composition and an HNBR crosslinked material which are excellent in wear resistance and pressure resistance, wherein carbon fiber or wollastonite is used as a hard filler with respect to 100 parts by weight of hydrogenated nitrile rubber 3 to 20 parts by weight of carbon black having an average particle diameter of 40 to 50 nm, an iodine adsorption amount of 35 to 49 g / kg, and a DBP oil absorption amount of 100 to 160 ml / 100 g And an HNBR crosslinked product obtained by crosslinking the HNBR composition.
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机译：本发明的目的是提供相对于100重量份的氢化丁腈橡胶3，使用碳纤维或硅灰石作为硬质填充剂的，耐磨耗性和耐压性优异的HNBR组合物和HNBR交联材料。 HNBR交联产物的平均重量为20重量份，平均粒径为40至50 nm，碘吸附量为35至49 g / kg，DBP吸油量为100至160 ml / 100 g通过使HNBR组合物交联而获得。
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