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Invention Grant
US09302943B2 Refractory product having a high content of zirconia 有权
具有高含量氧化锆的耐火产品

Refractory product having a high content of zirconia
Abstract:
Fused cast refractory product comprising in percentages by weight on the basis of the oxides and for a total of 100%, —ZrO2; balance to 100%, —HfO2:
Abstract(Chinese):

熔融铸造耐火产品，其以氧化物为基准的重量百分数和总计为100％的-ZrO 2; 平衡至100％，-HfO2：<5％SiO2：2％至10％; -Y 2 O 3：0.4〜2.0％ -CaO：4.0％〜8.0％ -B2O3 + Na2O + K2O：0.4〜3.0％-Al2O3：0.3〜2.0％; -P2O5：<0.05％; -Fe 2 O 3 + TiO 2：<0.55％ - 其他物种：<1.5％。 适用于玻璃熔炉。

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