| 摘要 |
FIELD: chemistry. ^ SUBSTANCE: glaze contains as follows, wt %: SiO2 43.5-45.0; Al2O3 5.0-8.0; B2O3 11.0-12.0; CaO 15.0-25.0; MgO 5.0-8.0; Na2O 0.5-1.0; K2O 1.0-2.0; Fe2O3 3.0-3.3; TiO2 0.5-1.0; SrO 2.0-2.4; BaO 1.5-3.0; PbO 1.0-2.0; CuO 0.5-1.5. ^ EFFECT: higher frost resistance of glaze. ^ 1 tbl |
