abstract |
The water-soluble cutting fluid stock solution composition of the present invention is selected from 0.3% by mass or more and 7.0% by mass or less of aromatic tertiary amines and heterocyclic tertiary amines based on the total amount of the stock solution composition. It contains at least one amine compound, 0.1% by mass to 5.0% by mass of water, and 70% by mass to 98% by mass of mineral oil. |