FIELD: construction; chemistry.
SUBSTANCE: description of a plate with insect repellent properties obtained by coating the precoated surface with an insecticidal solution containing a surface-active substance, alcohol and insecticide in an aqueous dispersion of the colloidal silica. In this case, the insecticide was selected from the pyrethroids and the plate is a wood-fiber concrete slab.
EFFECT: permanence and effectiveness of the insect repellent properties.
5 cl, 1 tbl
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