| abstract |
This lubricating oil composition for plastic processing according to the present invention comprises 0.1 to 40 mass% of the zinc dithiophosphate represented by general formula (1), 30 to 70 mass% of a sulfur-based extreme pressure agent, and 10 to 60 mass% of an organic acid salt based on the total content of the composition. [In formula (1), R1 and R2 represent the same or different C1-18 straight chain or branched alkyl groups]. |