INSULATION COATING COMPOSITION FOR NON-ORIENTED ELECTRICAL SHEET, METHOD FOR MANUFACTURING THE SAME, AND NON-ORIENTED ELECTRICAL SHEET TO WHICH INSULATION COATING COMPOSITION IS APPLIED

摘要

Disclosed is an insulating film composition of a non-oriented electrical steel sheet. The insulating film composition of a non-oriented electrical steel sheet according to the present invention comprises a mixed metal phosphate consisting of aluminum phosphate (Al(H₃PO₄)_x=1-3) and cobalt phosphate (Co(H₃PO₄)₃), and an organic/inorganic composite consisting of epoxy resin and silica (SiO₂) nanoparticle substituted on the functional group of the epoxy resin.