FIELD: construction.
SUBSTANCE: present invention may find application in construction materials industry for preparation of injection and construction mortars and concrete mixes used in construction of different structures. Complex additive for construction mix contains the following components, wt %: sodium or potassium ethyl siliconate and/or methyl siliconate of sodium or potassium 1-50, carboxylate polyether 30-80, water - the rest. Invention is developed in dependable claims of formula.
EFFECT: increased strength characteristics, density and reduction of cement mortar water absorption at invariable content of cement.
2 tbl, 5 cl
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