FIELD: chemistry.
SUBSTANCE: invention relates to production of aggregates for concrete. The mixture for producing aggregate contains the following, wt %: montmorillonite clay 68.0-88.0, coal 1.0-6.0, dehydrated montmorillonite clay 10.0-20.0, kaolin 1.0-6.0.
EFFECT: high strength of aggregate made from the mixture.
1 tbl
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