Where are the high alumina bricks mainly used?

High alumina brick is a kind of refractory material, the main component of this refractory brick is AL2O3.

Mainly used for lining of blast furnaces, hot blast furnaces, electric furnace tops, blast furnaces, reverberatory furnaces, and rotary kilns. In addition, high alumina bricks are also widely used as open hearth regenerative checker bricks, plugs for pouring systems, nozzle bricks, etc.