FIELD: detergents. SUBSTANCE: invention relates to protection against corrosion and disinfection for use in a variety of industries wherein pollution of surfaces by organic-origin products (lubrication oils, greases, crude oil, emulsions, asphalt-tar-paraffin deposits) take place, for instance during equipment repair operations, in mechanical engineering, transport, in oil and gas production area for washing tanks, settlers, and pumps, for cleaning up working places and washing floors in repair shops. Agent contains, wt %: nonionic surfactant (propylene trimer-based oxyethylated monoalkylphenols) 8-10, sodium tripolyphosphate 20-25, sodium silicate 2-5, bactericidal-anticorrosion additive (reaction product of N.N'-tetramethyldiaminomethane and alkenyl chlorides) 3-5, and soda ash to 100%. EFFECT: enhanced detergent power, reduced consumption of expensive components, and extended spectrum of bactericidal-anticorrosion activity. 3 tbl, 7 ex
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