FIELD: chemistry.
SUBSTANCE: invention relates to production porous aggregates for concrete. The mixture for producing porous aggregate contains the following, wt %: montmorillonite clay 91.0-91.5, dolomite ground to specific surface area of 2500-3000 cm2/g 4.0-6.0, natural gypsum ground to specific surface area of 2500-3000 cm2/g 2.0-3.0, liquid sodium glass 1.0-1.5.
EFFECT: high strength of porous aggregate made from the mixture.
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