| 摘要 |
<p>Glass compositions for producing architectural or motor vehicle glazing, including the following components (in wt %): 69-75 % SiO2, 0-3 % Al2O3, 2-10 % CaO, 0-2 % MgO, 9-17 % Na2O, 0-8 % K2O, and 0.2-1.5 % Fe2O3 (total iron). Said compositions may also contain fluorine, as well as zinc, zirconium, cerium and titanium oxides, and less than 4 % barium oxide, the sum of the percentages of alkaline-earth oxides being at most 10 %.</p> |
