FIELD: chemistry.
SUBSTANCE: invention relates to production porous aggregates for concrete. The mixture for producing porous aggregate contains the following, wt %: montmorillonite clay 93.0-95.0, dolomite 3.0-5.0, cryolite 0.5-1.0, calcined soda 1.0-1.5.
EFFECT: low firing temperature of the porous aggregate.
1 tbl
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