High alumina brick High alumina bricks main raw material is high alumina,which is chosen,screened,removing iron and sintered. ... good.And the refractoriness is high.It can be used in blast furnace,hot-blast furnace,the roof of electric stove ... good.And the refractoriness is high.It can be used in blast furnace,hot-blast furnace,the roof of electric stove ... 2322C.C.S,MPa≥53.949.044.139 High alumina brick