Technical Specifications
Product Overview
High-Purity White Fused Alumina
White Fused Alumina, also known as white corundum, is manufactured from high-quality alumina melted at temperatures exceeding 2000°C in an electric arc furnace. With a primary crystal phase of alpha-Al2O3, this material provides exceptional hardness and thermal stability. It is a chemically inert abrasive ideal for high-precision industrial applications including refractories, grinding, and surface finishing.
Chemical Composition
Chemical Analysis
| Component | Section Sand (Min/Max) | Fine/Macro Powder (Min/Max) |
|---|---|---|
| Al2O3 | 99.5% min | 99.0% min |
| Fe2O3 | 0.04% max | 0.20% max |
| Na2O | 0.30% max | 0.40% max |
| SiO2 | 0.02% max | 0.05% max |
Physical Properties
Key Physical Metrics
9
Mohs Hardness
3.95 g/cm3
Specific Gravity
- Bulk Density
- 1.75-1.95 g/cm3
Available Grits and Sizes
Section Sand Sizes
- 12-6mm
- 10-8mm
- 8-5mm
- 6-3mm
- 5-3mm
- 3-1mm
- 1-0mm
- 1-0.5mm
- 0.5-0.2mm
- 0.5-0mm
- 0.3-0mm
Macro Powder Sizes
- 60mesh-0
- 80mesh-0
- 100mesh-0
- 120mesh-0
- 150mesh-0
- 200mesh-0
- 325mesh-0
Applications
- Typical Applications
- RefractoryFurnace BurdenCastableRamming CompoundPaintingPrecision GrindingPolishing
