Description
Aluminum Oxide (Al₂O₃) Nanopowder/Nanoparticles – Gamma Phase, 20–30 nm, 99.9+% Purity
Product Overview
Gamma-phase Aluminum Oxide (Al₂O₃) Nanopowder features high surface area, nanometric size, and excellent thermal and chemical stability. With its unique gamma crystalline structure, it is particularly effective in catalytic applications and as a functional additive in advanced ceramics, composites, and coatings. Its hydrophilic nature and nearly spherical morphology provide easy dispersibility in various media, making it suitable for high-performance formulations.
Technical Properties
Property | Value |
---|---|
Purity (%) | 99.9+ |
Color | White |
Average Particle Size (nm) | 20–30 |
Specific Surface Area (m²/g) | 140 |
Specific Heat Capacity (J/kg·K) | 890 |
True Density (kg/m³) | 3900 |
Morphology | Nearly Spherical |
Elemental Impurities (ppm)
Ca: <25 | Fe: <80 | Cr: <4 | Na: <70 | Mn: <3 | Co: <2
Key Applications
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Advanced Ceramics: Enhances toughness, dimensional stability, and wear resistance in ceramic components.
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High-Purity Crucibles & Furnace Tubes: Ideal for thermal systems due to its high melting point and insulation capability.
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Coatings & Composites: Improves thermal fatigue resistance and density in rubber, plastics, and composite systems.
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Polishing & Abrasives: Used in precision polishing of semiconductors, glass, and optical materials.
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Infrared Applications: Acts as a far-infrared emitter in fiber fabrics and sodium lamps.
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Catalysis: Utilized as a catalyst or support material in heterogeneous catalytic reactions.