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– Used to assess the ability of oil to corrosive to corrosive metals.
– The sulfur compounds in oil will cause corrosion of many different metals.
– Corrosion is defined as an oxidation on metal surfaces causing metal loss or accumulation of deposits.
– Hydraulic oil, aviation oil, metal cutting oil, especially transformer oil and cold air compressors must not cause copper corrosion.
Anti-corrosion:
– ASTM D 130: Corrosion of copper sheets.
– Apply to hydraulic oil, ship oil and transmission oil:
Immerse the clean copper plate in oil.
Condition: 3 hours at 100 degrees C (varies by manufacturer).
Evaluate results visually and compare them with reference tables.