| abstract |
(57) [Problem] To provide a fluorine-based grease which is excellent in wear resistance, leakage resistance, detergency and the like with respect to a counterpart material and which can be satisfied in terms of cost. A lubricating grease composition comprising a perfluoropolyether base oil and at least one metal salt of an aliphatic dicarboxylic acid, a metal salt of a monoamide monocarboxylic acid or a metal salt of a monoester carboxylic acid added as a thickener. |