FIELD: chemistry.
SUBSTANCE: dust-removing composition for treating dusty surfaces contains a polyelectrolyte and water, and is characterised by that it contains aqueous solutions of an alkali metal polyacrylate and a copolymer of acrylamide with acrylic acid derivatives, wherein copolymers of acrylamide with dimethylaminoethyl acrylate, dimethylaminoethyl methacrylate or dimethylaminopropyl acrylamide are used, the alkali metal polyacrylate solution has concentration of 0.1-1.0 wt %, the solution of the copolymer of acrylamide with acrylic acid derivatives has concentration of 0.05-0.5 wt %.
EFFECT: good erosion resistance of the treated surface.
1 cl
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