| 摘要 |
The invention relates to a ceramic mass suitable for open firing, comprising, after the firing, SiO2 at 18-35 weight percent, Al2O3 at 54-76 weight percent, Na2O at 0.5-2 weight percent, K2O at 0.5-2 weight percent, TiO2 at 0-4 weight percent, Li2O at 0-7 weight percent, CaO at 0-1 weight percent, MgO at 0-5 weight percent, Fe2O3 at 0-2 weight percent, B2O3 at 0-6 weight percent, and BaO at 0-4 weight percent, with respect to the mass after the firing. The ceramic mass is suitable for open firing and for producing, for example, sanitation items or tiles. |
