brown fused alumina oxide: 1 has high purity 2. low coefficient of linear expansion 3.corrosion-resistant Brown Fused Alumina Oxide:company exports white corundum products perennially to Japan, Korea, Europe and the United States and other countries and regions. We can offer you all types of white corundum products, such as F sand, P sand, powder and so on. White Corundum physical and chemical ...