Description
Aluminum Oxide (Al₂O₃) Micron Powder – Purity: 99.5+%, Size: 10–30 μm
High-Purity Alumina Powder with Excellent Thermal and Mechanical Stability
Aluminum Oxide (Al₂O₃) Micron Powder, with a particle size range of 10–30 μm and a purity level of 99.5+%, is a high-performance ceramic-grade material ideal for use in structural ceramics, refractories, thermal insulation coatings, and polishing applications. With its high hardness, chemical stability, and excellent far-infrared emissivity, this alumina powder provides superior performance across various high-tech and industrial sectors.
Technical Specifications
Parameter | Value |
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Purity | ≥ 99.5% |
Particle Size (D50) | 10–30 μm |
Al₂O₃ Content | 99.8% |
SiO₂ | 0.02% |
Fe₂O₃ | 0.02% |
TiO₂ | 2.60–3.20% |
Na₂O | 0.20% |
Chlorine Content | < 50 ppm |
Soluble Salt Content | < 100 ppm |
pH (in aqueous solution) | ~6.93 |
Key Features
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High hardness and dimensional stability
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Excellent thermal and electrical insulation
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Chemically inert and thermally stable
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Strong resistance to wear, corrosion, and chemical attack
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Non-radioactive, free of heavy metals and carcinogens
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Compatible with ceramic, polymer, and metal matrix composites
Applications
Aluminum Oxide (Al₂O₃) Micron Powder is used across diverse industries due to its mechanical integrity and chemical resistance:
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Ceramics & Refractories
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High-strength alumina ceramics
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Crucibles and furnace tubes
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High-temperature insulating bricks
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Plastics & Rubber Reinforcement
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Improves wear and thermal fatigue resistance
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Enhances composite toughness and density
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Electronics & Semiconductors
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Substrate material
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High-dielectric fillers
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Electrical insulators
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Surface Finishing
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Polishing slurries for wafers, lenses, and precision parts
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Abrasives in tapes and specialty coatings
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Glass & Infrared Applications
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Added to glass products for strength and clarity
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Far-infrared emission and thermal shielding materials
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Catalysis & Chemical Processing
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Used as catalyst or catalyst carrier in environmental and petrochemical industries
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