| 摘要 |
PROBLEM TO BE SOLVED: To provide a grease composition which is excellent in an effect suppressing peeling caused by corrosion due to water and hydrogen generated from water. SOLUTION: The grease composition is prepared by compounding a thickener, and a carboxylic acid type rust preventive (A), a carboxylic salt type preventive (B) and a fatty acid amine salt (C) as an additive to a base oil comprising at least one of mineral oil and synthetic oil, wherein a content of the carboxylic acid type rust preventive (A) to the total amount of the grease composition is 0.2 to 3 mass%, a content of the carboxylic salt type rust preventive (B) to the total amount of the grease composition is 0.2 to 3 mass%, and a content of the fatty acid amine salt (C) to the total amount of the grease composition is 0.2 to 4 mass%. COPYRIGHT: (C)2010,JPO&INPIT |
