FIELD: construction.
SUBSTANCE: invention relates to construction materials and can be used in making articles used in industrial and civil construction. Raw material composition for insulating concrete comprises, by wt%: Portland cement 48.0–54.0, primer represented by fine sand with a fineness modulus Mf=0.9 23.6–26.1, corundum Al2O3 with a specific surface Ssp.=1,500 cm2/g 1.4–1.9, Addiment SB31L foam-forming additive 0.2–0.4, water 20.8–23.6.
EFFECT: high tensile strength during bending and low coefficient of heat conductivity of foam concrete.
1 cl, 1 tbl, 1 ex
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