// SPEC · Refractory Raw Materials
Brown Fused Alumina Micropowder D50 <10μm Al2O3 95%
Brown fused alumina micropowder D50 <10μm with Al2O3 95% for dense refractory matrix and surface coating. Used in self-flowing castable matrices, kiln spray coatings, glass furnace patch repair, and precision lapping in steel and glass industries.
// Key Features
- Ultra-fine D50 <10μm particle size for dense, low-porosity refractory matrix formation
- High specific surface area enhancing bonding strength in monolithic refractory castables
- Excellent flowability as matrix filler in self-flowing and vibration-cast refractories
- Consistent Al2O3 95% purity for controlled microstructure in advanced refractory systems
// Technical Specifications
| SiO2 (%) | ≤0.70 |
| Al2O3 (%) | ≥95.0 |
| Fe2O3 (%) | ≤0.15 |
| Available Grain Sizes | D50 5μm, D50 8μm, D50 10μm |
| Bulk Density (g/cm³) | 0.85–1.10 |
// Applications
Monolithic self-flowing refractory castable matrix fillerHigh-temperature kiln and furnace inner wall thermal spray coatingGlass tank furnace refractory patch and gunning repair coatingPrecision flat lapping of cemented carbide and advanced ceramic componentsCorundum-based refractory gunning mix and coating production
// Quick Specs
Max Temperature1900°C
Density3.95 g/cm³
StandardGB/T 3043
// Get Pricing
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