abstract |
(57) [Problem] To provide a processing aid composition, an abrasive composition, and a surface processing method capable of performing surface processing at a high speed without causing surface defects on the surface of a workpiece. SOLUTION: The processing aid composition of the present invention containing at least a processing aid and water, wherein the processing aid is composed of a water-soluble or water-dispersible organic polymer, A copolymer obtained by polymerizing a polyalkylene glycol monoester monomer and an acrylic acid or methacrylic acid monomer having a weight average molecular weight of 500 to 1,000,000 is used. |