Refractory Grade Aluminum Oxide
High-purity aluminum oxide grains are designed for refractory applications. The Grade A quality ensures consistent performance in high-temperature environments, providing excellent thermal stability and resistance to chemical attack.
Technical Specifications
Product Overview
High-Purity Refractory Grade Aluminum Oxide
This premium-grade, white aluminum oxide is characterized by its high purity and large crystal size, making it an exceptionally friable material. Its ability to constantly expose fresh cutting edges during use provides superior performance in precision finishing and cool grinding of heat-sensitive alloys. It is an ideal solution for manufacturing high-temperature refractory bricks, castables, and advanced ceramic materials.
Technical Specifications
Bulk Density
1.75 g/cm3
Min Bulk Density
1.95 g/cm3
Max Bulk Density
Real Density
3.95 g/cm3
Min Real Density
3.97 g/cm3
Max Real Density
- Mohs Hardness
- 9
Chemical Composition
Composition Table
| Component | Content Limit |
|---|---|
| Al2O3 | 99.55% min |
| Fe2O3 | 0.04% max |
| SiO2 | 0.04% max |
| CaO+MgO | 0.05% max |
| Na2O+K2O | 0.23% max |
Availability
Available Grain Sizes
- 8-5mm
- 5-3mm
- 3-1mm
- 0-1mm
- 320mesh-0 to 180mesh-0
- F24-F40
- F46-F100
- F120-F220
- F240-F1200
Packaging
- Packaging Standard
- 25kg PVC bags1MT big bag
