High Purity Alumina Powder 0.5um-3um for Sandblasting and Electrical Insulation | 99.6% Al2O3 Content
High purity alumina powder (Al2O3) with particle sizes ranging from 0.5μm to 3μm, specifically engineered for demanding industrial applications including sandblasting and electrical insulation.
Alumina powder is a high-purity, fine-grained material manufactured from aluminum oxide (Al2O3) through advanced refining processes. This white crystalline powder delivers exceptional performance characteristics essential for precision industrial applications.
| Property | Value |
|---|---|
| Color | White |
| Appearance | Powder |
| Mohs Hardness | 9.0-9.5 |
| Melting Point | 2050°C |
| Boiling Point | 2977°C |
| True Density | 3.97 g/cm³ |
| Specification | Al2O3 | Na2O | D50(μm) | Original Crystal Particles | Bulk Density |
|---|---|---|---|---|---|
| 0.7 μm | ≥99.6% | ≤0.02% | 0.7-1.0 | 0.3 | 2-6 |
| 1.5 μm | ≥99.6% | ≤0.02% | 1.0-1.8 | 0.3 | 4-7 |
| 2.0 μm | ≥99.6% | ≤0.02% | 2.0-3.0 | 0.5 | <20 |
- Ceramic Industry: Raw material for electronic ceramics, refractory ceramics, and advanced technical ceramics
- Polishing & Abrasive Applications: Precision polishing of optical lenses, semiconductor wafers, and metallic surfaces
- Catalysis: Catalyst support in petrochemical refining processes
- Thermal Spray Coatings: Corrosion and wear resistance coatings for aerospace and automotive industries
- Electrical Insulation: High dielectric strength insulation for electronic devices
- Refractory Industry: High-temperature furnace linings and thermal applications
- Polymer Additives: Enhancement of mechanical and thermal properties in polymers
- Exceptional hardness (Mohs 9.0-9.5) and wear resistance
- Extremely high melting point (2050°C)
- Superior chemical inertness and corrosion resistance
- Excellent electrical insulation properties
- Biocompatible for medical applications
- High surface area for enhanced performance
- 1 ton jumbo bags
- Jumbo bags with wooden pallets
- 25kg woven bags or kraft paper bags
- Custom packaging available to meet specific customer requirements
Our manufacturing facility maintains ISO9001:2015 quality management system certification. We operate with 2 dumping furnaces, 3 fixed furnaces, and utilize advanced production equipment including 12000V magnetic separators, ball mills, and laser particle size detectors to ensure consistent product quality and performance.
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