| 摘要 |
The invention relates to a glass composition for production of glazing absorbing ultraviolet and infrared radiation, comprising the following oxides with a content by weight varying within the given limits SiO2 65 - 80 %, AI2O3 0 - 5 %, B2O3 0 - 5 %, CaO 5 - 15 %, MgO 0 - 2 %, Na2O 9 - 18 %, K2O 0 - 10 %, BaO 0 - 5 %, characterised in further comprising the following absorbing agents with a content by weight varying within the given limits: Fe2O3 (total iron) 0.7 - 1.6 %, CeO2 0.1 - 1.2 % TiO2 0 - 1.5 % the glass having a redox factor less than or equal to 0.23 and having no tungsten oxide WO3. |
