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Brown Fused Aluminum Oxide for Refractory
Brown Fused Alumina is an important synthetic corundum refractory mineral made from reduced fusion of quality
bauxite, iron and coal in electric arc furnace under 2500 degree. It's hard, tough, dense, fire-proof, sharp-edged,
wear resistant, and corrosion resistant material and widely used in production of grinding wheels, sand papers,
sand cloth, sanding belt, production of refractory bricks, steel making industry, ceramic, glass, cement industry etc.
Brown Fused Alumina Refractory Grades is a mineral with fine particle distribution for shaped and unshaped
refractory products in fire-proof, precision casting, foundry and coating industries.
| Physical and Chemical Properties | |||
| Item | Value | Item | Value |
| Main Material | Al2O3 | Melting point(℃) | 2250 |
| Bulk Density(g/cm³) | 1.4-2.3 | Max Using Temperature(℃) | 1900 |
| Mosh Hardness | ≧9 | Color | Brown(Deep blue after Calcining) |
| True Gravity(g/cm³) | ≧3.90 | Linear Expansivity(0-1600℃) | 7-9 |
| Knoop Hardness(kg/mm²) | 2000-2200 | Crystal Structure | Trigonal System |
| Size available(FEPA) | 0-1mm,1-3mm,3-5mm,5-8mm,other sizes available upon request | ||
Applications of Brown Fused Alumina Refractory Grades
