FIELD: chemistry.
SUBSTANCE: invention can be applied in obtaining anticorrosive coating of articles in metallurgy, engineering, municipal economy, repair facilities, e.g., in pipe and profiled iron processing. The composition includes, g/l: phosphoric acid 75-115, yellow or red potassium ferricyanide 10-45, tannin 5-20, aluminium 2-18, the rest is water.
EFFECT: improved composition stability, physical and mechanical properties and coating adhesion to a metal surface.
2 ex
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