PROTECTIVE COMPOSITION FOR PROTECTING COOLING SYSTEM

摘要

FIELD: corrosion protection. ^ SUBSTANCE: invention relates to protective preservation materials for anticorrosion protection of metallic parts of ferrous and nonferrous metals except magnesium against environmental effects, in particular parts of cooling system of internal combustion engines. Protective composition is composed of piperidinium 3,5-dinitrobenzoate (1.0-1.5%) and antifreeze A40. ^ EFFECT: increased protective ability of composition. ^ 1 tbl