| 摘要 |
PROBLEM TO BE SOLVED: To provide a lubricant composition superior in lubricity or the like.SOLUTION: A lubricant composition contains ester oil or ether oil, and tartaric acid ester represented by formula (I), where Rand Rmay be the same or different and represent a 1-4C alkyl group, and the content of the tartaric acid ester is 0.01-10 weight % relative to the total amount of the lubricant composition. |
