| 摘要 |
<p>The present invention relates to a sintered product elaborated from a starting charge containing 75-99% of zircon, in mass percentage based on the oxides and having the following average weight chemical composition, in mass percentages based on the oxides 60%≰ZrO2≰72.8%, 27%≰SiO2≰36%, 0.1%≰B2O3+GeO2+P2O5+Sb2O3+Nb2O5+Ta2O5+V2O5, 0.1%≰ZnO+PbO+CdO, B2O3+GeO2+P2O5+Sb2O3+Nb2O5+Ta2O5+V2O5+ZnO+PbO+CdO≰5%, 0%≰Al2O3+TiO2+MgO+Fe2O3+NiO+MnO2+CoO+CuO≰5%, other oxides:≰1.5%, for a total of 100%. Notably used in a glass furnace.</p> |
