| 摘要 |
PROBLEM TO BE SOLVED: To provide a calcium complex grease composition having a high dropping point and a suitable consistency, and that is stable to heat.SOLUTION: In a grease composition containing a base oil and a calcium complex soap as a thickening agent, a substituted or unsubstituted straight-chain higher fatty acid having 18 to 22 carbon atoms, an aromatic monocarboxylic acid having a substituted or unsubstituted benzene ring, and a straight-chain saturated lower fatty acid having 2 to 4 carbon atoms are used as carboxylic acid constituting the calcium complex soap. |
