ADDITIVE COMPOSITION FOR EP GREASES WITH EXCELLENT ANTIWEAR AND CORROSION PROPERTIES

摘要

A lubricant composition is provided as follows: At least 90% of a base grease;(a) a thiadiazole poly(ether)glycolcomplex in an amount which provides about 1500 to 3500 ppm sulfur; (b)molybdenum dihydrocarbyldithiophosphate in amountwhich provides about 77 to 450 ppm molybdenum; and (c) zincdihydrocarbyldithiophosphate in an amount which provides about600 to 1000 ppm zinc. An additive composition for grease, consisting ofcomponents (a), (b) and (c), is also provided.