Description
Aluminum Oxide (Al₂O₃) Micron Powder – Purity: 99.5+%, Size: 180–250 μm
High-Purity, Coarse-Grade Alumina for Technical and Industrial Applications
Product Summary
This high-purity Aluminum Oxide (Al₂O₃) Micron Powder offers a particle size range of 180–250 μm, making it ideal for applications requiring excellent mechanical strength, thermal resistance, and chemical stability. Its outstanding properties support its use in ceramics, catalyst supports, refractory products, polishing compounds, and far-infrared functional materials.
Technical Specifications
| Property | Value |
|---|---|
| Purity | ≥ 99.5% |
| Particle Size | 180–250 μm |
| Al₂O₃ Content | 99.8% |
| SiO₂ | 0.02% |
| Fe₂O₃ | 0.02% |
| TiO₂ | 2.60–3.20% |
| Na₂O | 0.20% |
| Chlorine Content | < 50 ppm |
| Soluble Salts | < 100 ppm |
| pH (in water) | 6.93 |
Key Benefits
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Excellent dimensional stability and mechanical toughness
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High infrared emissivity
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Strong resistance to abrasion, corrosion, and thermal fatigue
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Compatible with rubber, ceramics, metals, and composites
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Free from toxic, radioactive, or carcinogenic elements
Primary Applications
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Advanced Ceramics: Crucibles, refractory linings, and structural components
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Metal & Polymer Additives: Enhances wear resistance and strength
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Polishing Media: Used for lapping and polishing hard surfaces
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Infrared & Thermal Products: Lamps, insulation coatings, textiles
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Catalysis: As a catalyst or carrier in chemical reactions
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Semiconductors: Surface finishing and protection layers