FIELD: chemistry; construction.
SUBSTANCE: invention relates to production porous aggregates for concrete. Mixture for making porous aggregate contains, wt. %: montmorillonite clay 89.0–93.5, ground before passing through a sieve 063 coal 2.0–3.0, ground before passing through a sieve 063 dolomite 3.0–8.0, soap stock 0.5–1.0.
EFFECT: improvement of porous filler obtained from mixture, intensification of burning process.
1 cl, 1 tbl
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