COLOURED SLAG-STONE CAST PRODUCT AND MIXTURE FOR MAKING SAID PRODUCT Russian patent published in 2013 - IPC C03C10/06 

FIELD: chemistry.

SUBSTANCE: invention relates to production of art objects and structural materials. The coloured slag-stone cast product contains the following components, wt %: SiO₂ - 9.7-20.0; CaO - 6.7-22.9; MgO - 3.0-9.3; Al₂O₃ - 3.3-11.4; FeO-0.1-1.2; TiO₂ - 0.9-6.3; MnO - 0.1-0.3; V₂O₅ - 0.02-0.1; Na₂O+K₂O 0.3-0.9; CaF₂ - 19.8-59.4; other impurities - the balance. The mixture for making coloured slag-stone cast product contains industrial wastes - blast-furnace slag and fluorine-containing sludge from enamel production, with the following ratio of ingredients, wt %: blast-furnace slag 10-70; fluorine-containing sludge from enamel production 30-90.

EFFECT: wider raw material base for decorative stone casting using cheap and common hard-to-recycle wastes.

2 cl, 4 ex, 2 tbl