METHOD OF PRODUCING ELECTRICAL BANDS WITH ORIENTED GRAIN STRUCTURE Russian patent published in 2012 - IPC C23C22/08 C21D8/12 H01F27/25 

FIELD: chemistry.

SUBSTANCE: in the method, a phosphate solution containing a colloidal component and at least one phosphoric ester as a colloidal stabiliser (A) are deposited on the electrical band as additives, wherein the phosphate solution contains less than 0.2 wt % hexavalent chromium.

EFFECT: invention provides homogeneous deposition of the phosphate solution and enables to obtain homogeneous quality of the ready phosphate layer on the electrical band with an oriented grain structure.

14 cl, 8 dwg, 11 tbl, 9 ex