| abstract |
Provided is a lubricant composition comprising the following components blended into a lubricant base oil: (A) a tertiary amine represented by formula (1) (in the formula, R 1 is a C 16-22 hydrocarbon group, R 2 and R 3 independently represent C 1-2 hydrocarbon groups, and the terminal parts of R 2 and R 3 may also be joined to form a heterocyclic ring); (B) an acidic phosphate ester and/or an acidic phosphite ester; and (C) at least one species selected from among metal sulphonates, metal phenates, and metal salicylates. |