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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
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

  • High hardness and dimensional stability

  • Excellent thermal and electrical insulation

  • Chemically inert and thermally stable

  • Strong resistance to wear, corrosion, and chemical attack

  • Non-radioactive, free of heavy metals and carcinogens

  • 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:

  • Ceramics & Refractories

    • High-strength alumina ceramics

    • Crucibles and furnace tubes

    • High-temperature insulating bricks

  • Plastics & Rubber Reinforcement

    • Improves wear and thermal fatigue resistance

    • Enhances composite toughness and density

  • Electronics & Semiconductors

    • Substrate material

    • High-dielectric fillers

    • Electrical insulators

  • Surface Finishing

    • Polishing slurries for wafers, lenses, and precision parts

    • Abrasives in tapes and specialty coatings

  • Glass & Infrared Applications

    • Added to glass products for strength and clarity

    • Far-infrared emission and thermal shielding materials

  • Catalysis & Chemical Processing

    • Used as catalyst or catalyst carrier in environmental and petrochemical industries

Additional information

Gram

25 g, 100 g, 500 g, 1000 g, 5000 g