What is alumina high alumina lining brick

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  High-alumina alumina lining bricks refer to refractory bricks with an Al2O3 content of more than 48%. They are mainly made from natural high-grade bauxite, which contains minerals such as diaspore, boehmite, and kaolinite. The raw materials are mixed with soft or semi-soft clay as a binder in high-alumina clinker, then formed, dried, and finally fired.

  The refractoriness of high-alumina alumina lining bricks is around 1770°C, and the load softening temperature is between 1420°C and 1550°C.


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