High dropping-point lithium-complex grease composition having improved extreme pressure properties

摘要

High dropping-point lithium-complex grease composition having improved extreme pressure properties, comprising a lubricating oil and the following components: (a) at least one lithium soap a C12 to C24 hydroxy fatty acid, (b) at least one lithium salt of a boric acid, and (c) at least one metal salt selected from the group consisting of 1) a potassium salt of a boric acid, 2) a sodium salt of a boric acid, 3) an alkaline earth metal salt of a boric acid, and 4) a zinc salt of a boric acid.