FIELD: chemistry.
SUBSTANCE: invention relates to production porous aggregate for concrete. The mixture for making porous aggregate contains the following components in wt %: montmorillonite clay 87.5-91.5, coal 1.0-1.5; ground pearlite 1,0-1,5; ground expanded pearlite 6.0-10.0.
EFFECT: high strength of porous aggregate made from the mixture.
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