FIELD: metallurgy.
SUBSTANCE: invention relates to production of the textured plates out of the electrical steel, in particular to annealing separator. The annealing separator has the following composition, wt %: Al2O3 powder - 77-98, powder of alkali-earth metal oxide - 1-8, alkali metal chloride and/or alkali-earth metal chloride - 1-15.
EFFECT: exclusion of creation of glass-like interlayer on surface of the steel plate during high-temperature annealing, and production of plate with smooth surface and stable magnetic properties.
4 cl, 3 tbl, 4 dwg
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