FIELD: metallurgy.
SUBSTANCE: inhibitor contains salt of nitrous acid at amount of 15-75 wt %, salt of benzoic acid or replaced benzoic acid at amount of 15-75 wt %, additionally it contains surface active substance at amount of 1-15 wt % of applied concentration of inhibitor.
EFFECT: at application onto surface of concrete item or at addition into cement grout at repair works composition migrates into depth of concrete stone and protects steel reinforcement of exploited concrete structures from corrosion.
2 cl, 2 tbl
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