| 摘要 |
<p>The invention relates to a composition of silico soda-lime glass for the production of glazing, comprising the following coloring agents expressed in weight per cent: Fe2O3 (total iron) 0.2 0.45 %, Se 2 - 8 ppm, CoO 0 - 20 ppm, NiO 0 - 80 ppm said agents corresponding to the following ratio.</p> |
