| 摘要 |
Ultraviolet and infrared radiation absorbing glass comprising, as basic glass components, 65 to 80% by weight of SiO2, 0 to 5% by weight of A l 2O3, 0 to 10% by weight of MgO, 5 to 15% by weight of CaO, 10 to 18% by weight of Na2O, 0 to 5% by weight of K2O, 5 to 15% by weight in total of MgO and CaO, 10 to 20% by weight in total of Na2O and K2O, and 0.2 to 5.0% by weight of B2O3; and as coloring components, 0.5 to 1.0% by weight, in terms of Fe2O3, of total iron oxide having a ratio of FeO based on the total iron oxide of 0.20 to 0.40, 0.2 to 2.0% by weight of CeO2, and 0 to 1.0% by weight of TiO2, and ultraviolet and infrared radiation absorbing glass comprising, as basic glass components, 65 to 80% by weight of SiO2, 0 to 5% by weight of A l 2O3, 0 to 10% by weight of MgO, 5 to 15% by weight of CaO, 10 to 18% by weight of Na2O, 0 to 5% by weight of K2O, 5 to 15% by weight in total of MgO and CaO, 10 to 20% by weight in total of Na2O and K2O, and 0.5 to 5.0% by weight of B2O3; and, as coloring components, 0.5 to 1.0% by weight, in terms of Fe2O3, of total iron oxide having a ratio of FeO based on the total iron oxide of 0.20 to 0.40, 0.2 to 1.2% by weight of CeO2, and 0 to 1.0% by weight of TiO2.
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