FIELD: chemistry.
SUBSTANCE: invention relates to a composition of coating, hardened at low temperature, which contains film-forming resin, a hardening agent for the film-forming resin, as well as lithium salt, selected from inorganic and organic salts, which has a constant of solubility in water at 25°C in the interval 1×10-11 - 5×10-2 and where lithium salt is present in the coating composition in a quantity of 1040 vol. %, in terms of the sum of non-volatile components of the coating composition. Also described are: the application of the coating composition as an anticorrosion primer coating for substrates from non-ferrous metals, a method of obtaining a corrosion-resistant metal substrate and a substrate, covered with the coating composition.
EFFECT: reduced sensitivity of coatings to osmotic and/or corrosion-induced formation of swellings, good resistance to thread-like corrosion, durability and stability.
16 cl, 31 tbl, 14 ex
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