| abstract |
A water-soluble processing liquid for a fixed abrasive wire saw which is excellent in lubricity and permeability and hardly foams, and a cutting method using the same. A water-soluble processing liquid for a fixed abrasive wire saw, comprising an alkylene oxide adduct (A) of polyamine, an acidic phosphate ester (b1) and / or a dicarboxylic acid (b2), and water (C). [Selection figure] None |