FIELD: construction.
SUBSTANCE: invention relates to construction materials and can be used in making gypsum-concrete articles - facade tiles and decor. Gypsum cement-silicic composition for facade articles, including semi-aqua gypsum, white portland cement, white quartz sand, metakaolin, a modifying additive and water, contains as a modifying additive composition of composition, wt. %: Kovelos silicon dioxide 0.95÷0.99 %, titanium dioxide - 73.9÷74.3 %, plasticiser - Melflux or Sika - 24.5÷24.9 %, as a regulator of setting time tartaric acid - 0.21÷0.25 % with corresponding ratio of components, wt. %: semi-aqueous gypsum -33.5÷35.0 %, white portland cement - 23.9÷24.9 %, white quartz sand - 10.7÷12.7 %, metakaolin - 2.3÷3.8 %, modifying additive - 2.2÷2.7 %, water - balance.
EFFECT: technical result consists in reduction of water absorption, increase in coefficient of water resistance, high strength, frost resistance and decorative properties.
1 cl, 2 tbl
| Title | Year | Author | Number |
|---|---|---|---|
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