| 摘要 |
PURPOSE:To obtain a gas turbine oil composition exhibiting extremely high oxidation stability, hardly causing occurrence of sludge, excellent in color stability and exhibiting oxidation stability over a long period. CONSTITUTION:This gas turbine oil composition is obtained by using a mineral oil or a synthetic oil having <=0.5wt.% aromatic content, <=5ppm sulfur content and >=100 viscosity index as a base oil and blending the base oil with 0.1-2wt.% of an alkylated diphenylamine, 0.1-3wt.% of an alkylated phenyl-alpha- naphthylamine, 0.1-1wt.% of phosphite and 0.001-0.5wt.% of at least one of benzotriazole and its derivative. |
