Our high alumina bricks are produced on the basis of raw material with high contents of Al2O3: corundum, mullite, bauxite, etc... They have high refractoriness good physical and chemical performance in high temperature, stable volume. They can be used in ferrous and non-ferrous mettallurgy, cement industry, ceramic industry, glass industry,etc. I am looking forward your inquiry! My skype is dfl-rfractories.