Oil Oxidation Stability Test

Silver gas steam turbine

While the Turbine Oil Oxidation Stability Test (TOST, formally ASTM D943) can evaluate the oxidation stability of various industrial lubricants in the presence of water, the test has its limitations. This article shows when TOST will be a valuable resource, when it will be less valuable and alternate indicators to consider when evaluating your hydraulic oil life.

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123 kb PDF in English
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Technical topics
  • Gas turbine blades


  • Gas turbine blades

    Gas turbines

    Increase your gas turbine power plant's productivity and turbine efficiency through enhanced reliability and uptime with Mobil™ industrial lubricants.