FIELD: building.
SUBSTANCE: complex additive for concrete mixes and the water mortars, including a superplasticiser on a basis polynaphtalenesulfonate - PNS, a mix of ballast desulfurisation salts - BDS, sodium formate and an alkaline component, as an alkaline component contains technical phosphates of sodium and technical lignin sulfonates in addition - TLS at a following parity of components, wt %: a superplasticiser on the basis of PNS 50-90, sodium formate 0-40, technical phosphates of sodium 3-15, TLS 0-25, BDS - the rest.
EFFECT: increase of conservability concrete and mortar mixes with complex additive and maintenance of invariance of properties of the additive at storage on indicators pH and building-technical characteristics building materials with its use - plastic properties, frost resistance.
3 cl, 3 tbl
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