Le présent document prescrit une méthode permettant d''évaluer les caractéristiques de vieillissement des huiles minérales contenant des additifs antioxydation et antirouille utilisées comme huiles pour turbines, huiles hydrauliques et huiles de graissage par circulation, et dont la masse volumique est inférieure à celle de l''eau. Dans cette méthode, le vieillissement est accéléré par la présence d''oxygène, d''eau et de catalyseurs métalliques à température élevée. La dégradation de l''huile est suivie par l''évolution de son indice d''acide.
Specifies a method for evaluating oxidation stability of inhibited steam-turbine oils in the presence of oxygen, water, and metallic copper and iron at an elevated temperature. The method is also used for testing other oils such as hydraulic oils and circulating oils having a relative density less than that of water and containing rust and oxidation inhibitors. This method is used for specification purposes and is considered of value in evaluating the oxidation stability of lubricants, especially those that are prone to water contamination.
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