FIELD: chemistry.
SUBSTANCE: invention relates to production porous aggregates for concrete. The mixture for making porous aggregate contains the following in wt %: montmorillonite clay 91.7-92.7; coal 2.0-3.0; dolomite 2.0-3.0; carboxymethyl cellulose 0.1-0.3; kaolin 2.0-3.0.
EFFECT: high strength of porous aggregate.
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