| abstract |
Provided is a grease composition that suppresses generation of rust and also improves wear resistance while sufficiently maintaining the extreme pressure property of a grease composition containing sodium thiosulfate. (1) A grease composition containing 0.05 to 30% by weight of sodium thiosulfate, and (A) a grease composition containing 0.1 to 5% by weight of calcium sulfonate with respect to the total composition. . (2) The grease composition according to (1), further comprising (B) a benzotriazole-based compound in an amount of 0.1 to 5% by weight based on the total composition. (3) The grease composition according to (1) or (2), wherein the thickener is at least one selected from a urea compound, lithium soap, lithium composite soap, and aluminum composite soap. [Selection figure] None |