| abstract |
An object of the present invention is to provide an electrical steel sheet with an insulating coating having excellent hardness and suitable as a raw material for an iron core of a large generator or the like, and a method for producing the same, wherein the coating agent for forming an insulating coating contains the following components (A) to (C): (A) water-based carboxyl group-containing resin: 100 parts by mass in terms of solid content, (B) aluminum-containing oxide: relative to 100 parts by mass in terms of solid content of the above (A), in terms of solid content More than 40 parts by mass and less than 300 parts by mass, and (C) at least one crosslinking agent selected from the group consisting of melamine, isocyanate and oxazoline: 100 mass in terms of solid content of (A) A part is 100 mass parts or more and less than 300 mass parts in conversion of solid content. |