| 摘要 |
FIELD: chemistry. ^ SUBSTANCE: invention relates to technology of silicates, particularly to stone casting compositions, where articles made therefrom can be used in construction. The cast stone material contains the following in wt %: SiO2 33.0-37.0; TiO2 0.5-1.0; Al2O3 0.5-1.0; Fe2O3 10.0-13.0; FeO 2.0-5.0; CaO 10.0-14.0; MgO 18.0-20.0; Na2O 10.0-13.0; K2O 5.0-7.0. ^ EFFECT: low melting temperature of the cast stone material. ^ 1 tbl |
