A coating liquid for forming an insulating film for grain-oriented electrical steel sheets, a method for manufacturing grain-oriented electrical steel sheets, and a method for manufacturing grain-oriented electrical steel sheets.

摘要

PROBLEM TO BE SOLVED: To obtain a coating liquid for forming an insulating film of a grain-oriented electrical steel sheet, which has a large film tension and excellent corrosion resistance without using a chromium compound, a grain-oriented electrical steel sheet, and a grain-oriented electrical steel sheet. Providing a method for manufacturing steel sheets. A coating liquid for forming an insulating film for grain-oriented electrical steel sheets, which contains hydrous silicate particles having aluminum and boric acid.