Fused cast refractory block with high zirconia content

22The present invention provides a fused cast refractory block comprising a mean zirconia (ZrO+HfO) content of more than 85% as a percentage by weight based on the oxides, and with a standard deviation σ of the local zirconia content divided by the volume of the block of less than 7.5.

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Bibliographic Details
Main Authors Boussant-Roux, Yves, Schiavo, Edouard, Zanoli, Alain
Format Patent
LanguageEnglish
Published 28.02.2012
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Summary:22The present invention provides a fused cast refractory block comprising a mean zirconia (ZrO+HfO) content of more than 85% as a percentage by weight based on the oxides, and with a standard deviation σ of the local zirconia content divided by the volume of the block of less than 7.5.