| 摘要 |
PROBLEM TO BE SOLVED: To provide a rust preventive oil free from a chemically attacking property, and parts of business machine treated with the rust preventive oil, such as antifriction bearings and torque limiters. SOLUTION: The rust preventive oil comprises a base oil, an anti-rust agent, and an antioxidant. The base oil includes polyolefin oil, the anti-rust agent includes at least one metal salt selected from metal salts of sulfonic acid and metal salts of monocarboxylic acid, and the antioxidant is phenol based. |
