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High alumina brick is a kind of commonly used refractory brick, with AL2O3 content greater than 40%. It uses high alumina bauxite as aggregate and can be manufactured by chemical bonding or sintering methods. The raw material is strictly selected and classified before crushing. The method of fine grinding of bauxite and combined clay can improve product quality. Finally with the firing temperature 1500~1600℃guaranteed the final products quality.
