| 摘要 |
<p>A glass composition is disclosed. The glass composition includes base glass composition including SiO2 from 65 to 75 weight percent, Na2O from 10 to 20 weight percent, CaO from 5 to 15 weight percent, MgO from 0 to 5 weight percent, Al2O3 from 0 to 5 weight percent, K2O from 0 to 5 weight percent, and BaO from 0 to 1 weight percent, and a colorant and property modifying portion including total iron from up to 0.02 weight percent, CeO2 from 0.05 weight percent to 1.5 weight percent, CoO up to 50 PPM, Se up to 15 PPM, Cr2O3 up to 500 PPM, CuO up to 0.5 weight percent, V2O5 up to 0.3 weight percent, TiO2 up to 1 weight percent, NiO up to 200 PPM, Er2O3 up to 3 weight percent, MnO2 up to 0.6 weight percent, and Nd2O3 up to 2 weight percent, wherein the glass composition has a redox ratio up to 0.55.</p> |
