1.1 This classification covers fired refractory brick and shapes consisting predominantly of zircon (ZrO₂·SiO₂) and containing, by chemical analysis, not less than 60 % zirconium oxide (ZrO₂) and not less than 30 % silica (SiO₂).

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Published:

08/31/2022

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2

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1 file , 54 KB

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