Disclosed is a grease composition comprising a base oil, a thickener, and an additive; the base oil having a kinetic viscosity of 20 to 150 mm2/s at 40°C, and the additive containing as an essential component 0.05 to 10 parts by weight of a metal salt of a dibasic acid based on 100 parts by weight of the base oil and the thickener, the metal salt of the dibasic acid being represented by the following formula:
where M1 and M2 represent the same or different alkali metal, and R1 represents aliphatic hydrocarbon group or an aromatic hydrocarbon group.
本发明公开了一种润滑脂组合物,该组合物由基础油、稠化剂和添加剂组成;基础油在 40°C 时的动力学粘度为 20 至 150 mm2/s,添加剂的基本成分是以 100 重量份的基础油和稠化剂为基准,含有 0.05 至 10 重量份的二元酸
金属盐,二元酸
金属盐由下式表示:
其中 M1 和 M2 代表相同或不同的碱
金属,R1 代表脂肪族烃基或芳香族烃基。