| abstract |
There is disclosed a lubricating oil composition comprising a base oil containing an ester compound as the essential component and a specific phosphoric compound and amine compound. n The lubricating oil composition is excellent in the antiwear property and the anti-hydrolysis property in an atmosphere of refrigerant such as fluorocarbon as well as in an atmosphere of air, and is well suited for use in refrigerators as a refrigerator oil and in hydraulic equipment as a hydraulic oil. |