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High Aluminum Brick
High-alumina bricks are aluminium-silicon refractory products made of bauxite clinker with a certain amount of combined clay with an Al2O3 content greater than 48%. The Chinese standard (GB/T2988-1987) divides high-alumina bricks into four grades according to physical and chemical indicators: LZ75, LZ-65, LZ-55 and LZ-48.
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Low creep high alumina brick is a refractory material with excellent performance, its main component is alumina (Al₂O₃), and the alumina content is high, generally 55% and above, and the specific content will vary according to different grades and production requirements. In addition, it also contains a small amount of other oxides such as silicon dioxide (SiO₂), iron oxide (Fe₂O₃) and other impurities, the content of impurities will affect the performance of bricks.
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High-alumina anchor brick is a special shape of high-alumina refractory brick, which is mainly used for installation on the steel structure of the industrial kiln shell or supporting the furnace lining, and is buried in the refractory lining for anchoring and connection.
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Permeabilia-resistant high-alumina bricks
Permeabilia-resistant high-alumina brick is a special refractory material, which is mainly used in the aluminum industry for the lining of aluminum melting furnaces and holding furnaces.
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Phosphate bonded high-alumina bricks
Phosphate-bonded high-alumina brick is a refractory material with phosphate as a bonding agent
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Spall-resistant high-alumina bricks
Anti-spalling high-alumina bricks have the characteristics of good thermal shock resistance and strong adaptability to the environment, and can remain stable under 1100 °C water cooling conditions, GKBL-70 models can withstand more than 20 times, and KBL-70 models can withstand more than 15 times.
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