FIELD: chemistry.
SUBSTANCE: invention relates to the industry of construction materials, particularly production of foam concrete used in low-height construction. The crude mixture for producing foam concrete contains the following in wt %: portland cement 29.0-31.0, foaming agent PB-2000 0.3-0.35, thermal power plant ash 15.55-16.55, carboxymethyl cellulose 0.1-0.15, ground chamotte 15.0-18.0, water 36.0-38.0.
EFFECT: high strength.
1 tbl
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