FIELD: chemistry.
SUBSTANCE: ceramic mixture contains the following components, wt %: beidellite low-melting clay - 50-70; ash-slag material - 15-25; calcium-containing blast-furnace slag with a vitrophyric structure - 15-25. The calcium-containing blast-furnace slag with a vitrophyric structure has the following composition, wt %: SiO2 - 32.2; Al2O3 - 12.3; Fe2O3 - 2.8; CaO - 41.0; MgO - 8.8; R2O - 2.9.
EFFECT: high frost resistance and acid resistance of the brick.
3 tbl
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