| 摘要 |
FIELD: construction. ^ SUBSTANCE: enamel frit for glass facing tiles contains SiO2, B2O3, SnO2, ZnO, at the following ratio of components, wt %: SiO2 - 20.0-30.0; B2O3 - 48.9-54.9; SnO2 - 0.1-0.2; ZnO - 21.0-25.0. ^ EFFECT: production of ecologically safe tiles. ^ 1 tbl |
