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US07754633B2 Chromia-alumina refractory 有权
铬 - 氧化铝耐火材料

Chromia-alumina refractory
Abstract:
A refractory composition comprising at least 50 weight percent chromic oxide (Cr2O3), as measured by chemical analysis. The composition includes fused chromia-containing grain, powdered chromic oxide and sintered chromia-containing grain. The fused chromia-containing grain and the sintered chromia-containing grain comprise at least 50 weight percent chromia oxide, as measured by chemical analysis.
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