| 摘要 |
FIELD: chemistry. ^ SUBSTANCE: invention relates to fritted glaze compositions used in production of facing tile, decorative elements of buildings. The glaze contains, percent by mass: SiO2 46.0-52.0; Al2O3 4.0-6.0; B2O3 12.0-18.0; CaO 8.0-12.0; MgO 10.0-140; ZnO 2.0-4.0; Na2O 1.0-2.0; K2O 1.0-2.0; ZrO2 1.0-2.0; PbO 1.0-2.0. ^ EFFECT: increase in glaze frost resistance. ^ 1 tbl |
