Fused Aluminum Oxide NY2
Industrial-grade fused aluminum oxide (FAO) for abrasives, refractories & ceramics. Available in brown/white varieties (Al₂O₃ 75%-99.5%). Custom particle sizes (F12-F800). Request technical specs & pricing.
Fused Aluminum Oxide (Al₂O₃) | High-Purity Abrasive & Refractory Material
Product Introduction
Fused alumina (FAO) is a superhard material made of bauxite, which is synthesized by melting in an arc furnace at 2000℃+. It has a Mohs hardness of 9.0+ and excellent thermal stability. It is mainly used in:
Core categories and technical indicators
| Brown corundum (BFAO) | Al₂O₃ content: 94.5-97% |
| TiO₂: 1.5-3.5% (improves toughness) | |
| Typical uses: sandpaper, bonded abrasives, heavy refractory materials |
| White corundum (WFAO) | Al₂O₃ content: 99.0-99.5% |
| Na₂O: <0.3% (low sodium is suitable for precision machining) | |
| Typical uses: optical polishing, silicon wafer cutting |
| Black corundum |
Al₂O₃ content: 75-85% |
|
Fe₂O₃+SiO₂: 10-15% (cost-effective alternative) |
Standard particle size classification
| Particle size number | Micrometer range | Main application |
| F16-F60 | 1180-250µm | Grinding wheel manufacturing |
| F80-F220 | 180-53µm | Sandblasting |
| F240-F800 | 44-12µm | Abrasive paste preparation |
Reasons to choose our fused alumina
Stable composition
chemical composition fluctuation between batches <±0.5%
Custom processing
water washing, pickling or calcining treatment is available
Global certification
in line with ISO 8486 (abrasives) and ASTM C867 (refractory materials) standards
Efficient logistics
support container full container shipments to 15+ countries
Industry Application Scenarios
Refractory industry
- Ladle lining, castable (replacing expensive zircon sand)
- Thermal shock resistance up to 1700℃ cycle
Metal processing
- Grinding wheel cutting efficiency increased by 30% compared with silicon carbide
- Aerospace alloy grinding with zero embedded residue
Construction engineering
- Anti-skid aggregate for epoxy floor (conforming to SAE J904 standard)
- Tunnel shotcrete reinforcement aggregate
FAQ
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