LUBRICANT COMPOSITION FOR IMPROVING THERMO-OXIDATION STABILITY AND COLOR STABILITY

摘要

Disclosed is a lubricant composition for improving thermo-oxidation stability and color stability, including, based on the total weight of the lubricant composition, 0.01 to 3.0 wt% of a secondary antioxidant and 0.01 to 5.0 wt% of polyalkylene glycol, wherein the lubricant composition has a total acid number change of less than 5% based on ASTM D 664, and a color stability of L 0.5 to 3.5 or less based on ASTM D1500.