astm d665
  • ASTM D665 Rust Preventing Characteristics Of Inhibited Mineral Oil

    ASTM D665 Rust Preventing Characteristics Of Inhibited Mineral Oil

    A mixture of 300 mL of the oil under test is stirred with 30 mL of distilled water or synthetic sea water, as required, at a temperature of 60 6 1°C (140 6 2°F) with a cylindrical steel test rod completely immersed therein. It is recommended to run the test for 4 h; however, the test period may, at the discretion of the contracting parties, be for a shorter or longer period. The test rod is observed for signs of rusting and, if desired, degree of rusting.

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