| abstract |
(57) [Abstract] [Purpose] To provide a metalworking oil composition which has excellent lubricity that can be used for high-speed machining of metal materials, has a great ability to disperse wear particles, and has little foaming. [Composition] A base oil selected from mineral oils, synthetic oils and fats and oils, Saturated fatty acid monoester of polyethylene glycol, An emulsion-type metalworking oil composition containing unsaturated fatty acid monoester of polyethylene glycol, fatty acid, and sarcoside in respective predetermined ratios. |