| 摘要 |
FIELD: glassmaking industry. ^ SUBSTANCE: invention relates to compositions of glass used for manufacturing facing tiles for fireplaces, ovens, walls as well as for manufacturing household goods. Glass of invention is composed of, wt %: SiO2 58.0-66.0, CaO 2.8-3.8, Na2SiF6 4.0-6.0, CoO 0.2-0.3, B2O3 10.0-12.0, SnO2 8.0-10.0, ZnO 8.0-10.0. ^ EFFECT: reduced coefficient of thermal expansion and increased heat resistance of glass. ^ 1 tbl |
