| 摘要 |
A grain-oriented electromagnetic steel sheet product that in the insulation treatment based on a chromium-free phosphate, exhibits excellent corrosion resistance, annealing resistance, coating tension, etc.; and a treatment agent therefor. There is provided a grain-oriented electromagnetic steel sheet having chromium-free insulation coating characterized in that the insulation coating contains a phosphate and, per mol of phosphate, 0.06 to 2.10 mol, in terms of metal element, of one or two or more members selected from among Fe, Ni, Co, Cu, Sr and Mo inorganic compounds, and provided an insulation coating agent therefor. ® KIPO & WIPO 2008
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