Patent ID: 9567548
Date: 2017-02-14
CPC Classifications: C10M,C10N

Claim:
1. A grease composition for a constant velocity joint, comprising: (a) a base oil, (b) a thickener, (c) montan wax wherein the montan wax (c) is contained in an amount of 0.1 to 15 mass % based on the total amount of the grease composition, (d) zinc sulfonate which is zinc salt of dinonylnaphthalenesulfonic acid, and (e) molybdenum dialkyl dithiocarbamate sulfide wherein the molybdenum dialkyl dithiocarbamate sulfide (e) is contained in an amount of 0.1 to 15 mass % based on the total amount of the grease composition, wherein the zinc sulfonate (d) is contained in an amount of 1 to 10 mass % and a total base number of the zinc sulfonate (d) is no more than 50 mgKOH/g.