主权项 |
1.一种Li2O-Al2O3-SiO2结晶化玻璃,其本质上系由以重量计的以下者所构成:60至75% SiO2,17至27% Al2O3,3至5%Li2O,0至0.9% MgO,0至0.9% ZnO,0.3至5% BaO,0至3% Na2O,0至3% K2O,0至4% TiO2,1至4% ZrO2,0至4% P2O5,0.05至2% Sb2O3,0至0.9%MgO+ZnO,及0至0.4% Na2O+K2O。2.一种Li2O-Al2O3-SiO2可结晶玻璃,其本质上系由以重量计的以下者所构成:60至75% SiO2,17至27% Al2O3,3至5% Li2O,0至0.9% MgO,0至0.9% ZnO,0.3至5% BaO,0至3% Na2O,0至3% K2O,0至4% TiO2,1至4% ZrO2,0至4%P2O5,0.05至2% Sb2O3,0至0.9% MgO+ZnO,及0至0.4% Na2O+K2O。 |