... under high termperature form of materials Brown Corundum,fuesd alunminaBrown Fused Alumina is bauxite, carbon materials, iron filings in the three ... obtained brown artificial corundum, and are thus brown corundum. Brown Fused Alumina is the main chemical ingredient AL2O3, its content is ... # 120# Fines 180F 200F 240F 325F (Fe2O3 ≤0.50%) brown fused alumina