High alumina refractory brick is widely used as the lining brick in the cement kilns,glass furnaces,ladles,tundish,tunnel kilns and so on.It has good thermal resistance,high strength,good thermal shock resistance and low creep.It performs good under high temperature.High alumina brick is made from bauxite,and fire clay is added as binder.The content of alumina ranges from 48% to 85%.High alumina brick is one of our superior products.