LUBRICANT FOR CRYOGENIC TEMPERATURE WORKING OF ALUMINUM AND ITS ALLOY AND METHOD FOR CRYOGENIC TEMPERATURE WORKING
PURPOSE:To obtain a lubricating oil for cryogenic temperature working of aluminum condensed phosphoric acid (salt) and a surfactant in a specific proportion, having a prescribed pour point and a prescribed viscosity, excellent in moldability and corrosion resistance and useful as automotive parts, e...
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Zusammenfassung: | PURPOSE:To obtain a lubricating oil for cryogenic temperature working of aluminum condensed phosphoric acid (salt) and a surfactant in a specific proportion, having a prescribed pour point and a prescribed viscosity, excellent in moldability and corrosion resistance and useful as automotive parts, etc. CONSTITUTION:The lubricating oil contains (A) 2-20% one or more compounds selected from condensed phosphoric acid (salts) such as polyphosphoric acid and (B) 0.1-2.0% surfactant, has >=-40 deg.C pour point and |
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