FIELD: chemical treatment of metal surfaces. SUBSTANCE: compound contains, g/l: extraction phosphoric acid 503-518 with weight part of sulfates on conversion to SO3, wt.%, not more 4.5; powdered zinc, 40-50; aqueous solution of alkaline admixture, 10-15; solvent, 5-10; water, the balance. EFFECT: increased physicomechanical properties and corrosion resistance of lacquer coats used in moderate and cold climate conditions. 3 tbl
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