| abstract |
Lubricant composition excellent in suppression of hydrogen embrittlement delamination such as members in high concentration hydrogen environment, such as rolling bearing, sliding bearing, gear, ball screw, linear guide, linear motion bearing, cam or various joints To provide. A lubricant composition for suppressing hydrogen brittle peeling of a member used in a hydrogen environment, comprising a base oil and an additive, wherein the additive comprises an organic sulfonate, a carboxylate, A lubricant composition which is at least one selected from the group consisting of a thiocarbamate and a thiophosphate ester salt. |