发明名称 |
REFRACTORY PRODUCT HAVING A HIGH CONTENT OF ZIRCONIA |
摘要 |
<p>Fused cast refractory product comprising in percentages by weight on the basis of the oxides and for a total of 100%,—ZrO2; balance to hj 100%,—Hf2O: <5% SiO2: 2% to 10%;—Y2O3: 0.4% to 2.0%;—CaO: 4.0% to 8.0%;—B2O3+Na2O+K2O: 0.4% to 3.0%—Al2O3: 0.3% to 2.0%;—P2O5: <0.05%;—Fe2O3+TiO2: <0.55%;—other species: <1.5%. Application in glass melting furnaces.</p> |
申请公布号 |
EP2794512(B1) |
申请公布日期 |
2015.10.14 |
申请号 |
EP20120823015 |
申请日期 |
2012.12.19 |
申请人 |
SAINT-GOBAIN CENTRE DE RECHERCHES ET D'ETUDES EUROPÉEN |
发明人 |
GAUBIL, MICHEL;MASSARD, LUDOVIC |
分类号 |
C04B35/484;C03B5/43;C04B35/657 |
主分类号 |
C04B35/484 |
代理机构 |
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代理人 |
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地址 |
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