High alumina Refractory brick, the temperature of refractoriness under load is normally above 1420~1550℃ that is higher than the fireclay brick and it increases along with the AL2O3 content enhances. High alumina Refractory brick the thermal Shock resistance is mainly decided by chemical contents and its mineral microstructure but its thermal shock resistant is worse than the fireclay brick. High alumina Refractory brick have very good ability of anti-acidity, anti-metal fluid corrode and anti-oxidation. High alumina Refractory brick are used normally in industry furnaces such as Blast furnace, hot-blast furnace and EAF etc.
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