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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

  • Advanced Ceramics: Enhances toughness, dimensional stability, and wear resistance in ceramic components.

  • High-Purity Crucibles & Furnace Tubes: Ideal for thermal systems due to its high melting point and insulation capability.

  • Coatings & Composites: Improves thermal fatigue resistance and density in rubber, plastics, and composite systems.

  • Polishing & Abrasives: Used in precision polishing of semiconductors, glass, and optical materials.

  • Infrared Applications: Acts as a far-infrared emitter in fiber fabrics and sodium lamps.

  • Catalysis: Utilized as a catalyst or support material in heterogeneous catalytic reactions.

Additional information

Gram

25 g, 100 g, 500 g, 1000 g