FIELD: chemistry.
SUBSTANCE: invention relates to production porous aggregates for concrete. The mixture for producing porous aggregate contains the following, wt %: montmorillonite clay 80.9 - 86.3, coal ground to specific surface area of 3000-3500 cm2/g 3.0-4.0, tripoli ground to specific surface area of 3000-3500 cm2/g 10.0-14.0, liquid glass 0.7-1.1.
EFFECT: high strength of porous aggregate made from the mixture.
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