Corundum mullite poly light brick is a new type of energy efficient refractory material, can directly contact the flame, with high temperature, high thermal shock stability, high strength, small thermal conductivity and other characteristics. Widely used in ceramic roller kiln, shuttle kiln, cracking furnace, hot stove and a variety of electric furnace lining, door bricks, kiln tiles and so on. Characteristics 1.Low thermal conductivity, with a good thermal insulation effect 2.Low hot melt, due to low thermal conductivity, mullite series of light insulation brick accumulated little heat, in the intermittent operation of energy-saving effect is obvious 3.High purity,high refractoriness,and the high alumina content make it maintain good performance in a reducing atmosphere. 4.High thermal compressive strength 5. Extend the life of the lining 6.Could make in special shape to reduce the application amount of bricks. Al2O3 62 62 KO2+NaO20.10.08 Fe2O30.50.5 Bulk Density g/cm3 0.9 1.0 Cold Compressive Strength mpa 4.5 5.5 Refractoriness Under Load 1#1500 1500 Reheating liner change 15002h,0.1Mpa -1.5 -1 Refractorinessb 1700 1750