FIELD: building materials, in particular concrete and mortar mixes.
SUBSTANCE: invention relates to plasticizing and water-reducing additive for concrete and mortar mixes, in particular waterproofed lignosulphonates. Said additive contains (mass parts) industrial lignosulphonate 1.0 and waterproofing agent in form of water compatible emulsions of high molecular silicon compounds, e.g., poly alkyl siloxanes with molecular weight of 1-20 kDa and C1-C5-alkyl groups 0.001-0.01.
EFFECT: simplified method for production of high stable concrete and mortar mixes, with improved plasticizing ability, low air entrain, and increased strength.
3 cl, 4 e[, 3 tbl
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