| abstract |
A base oil selected from the group consisting of mineral oil, synthetic oil, and mixtures thereof, and 0.1 to 15.0% by mass of (A) a hydrocarbon group-containing zinc dithiophosphate based on the total amount of the composition, (B) A phosphorus compound selected from the group consisting of triaryl phosphate, (C) triaryl thiophosphate and a mixture thereof, and having a volume resistivity of 1 × 10 7 Ω · m or more at 80 ° C. A transmission oil composition for automobiles. |