unshaped refractory :high alumina aggregate

unshaped refractory :high alumina aggregate item AL2O3 %≥75Fe2O3 (%)≤2.0refractoriness (oC)1770 outline High alumina aggregate is made of selected raw materials through calcining in converted flame kilns. Different sizes are processed through crusher, roller and screen according to consumers' different requirements. character & uses It is an indispensable component to formulate low cement and ultra low cement castables for tunnel kiln cars, industrial furnaces, linings of heat treatment kilns, boiler and industrial furnace linings.