| 摘要 |
FIELD: manufacture of building materials. ^ SUBSTANCE: raw mix is prepared from following components, wt %: microsilica 26.12-28.70, flue ash from combustion of brown coals 48.50-53.28, spills produced during crushing of spent carbon lining of electrolyzers 4.10-11.20, and detergent "Taiga" 0.81-2.24. After that, mix is molded, dried, and fired at 1000°C. Fired articles are further held in water over a 48 h period. ^ EFFECT: increased frost resistance. ^ 2 cl, 2 tbl |
