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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

PropertyValue
Purity≥ 99.5%
Particle Size180–250 μm
Al₂O₃ Content99.8%
SiO₂0.02%
Fe₂O₃0.02%
TiO₂2.60–3.20%
Na₂O0.20%
Chlorine Content< 50 ppm
Soluble Salts< 100 ppm
pH (in water)6.93

Key Benefits

  • Excellent dimensional stability and mechanical toughness

  • High infrared emissivity

  • Strong resistance to abrasion, corrosion, and thermal fatigue

  • Compatible with rubber, ceramics, metals, and composites

  • Free from toxic, radioactive, or carcinogenic elements


Primary Applications

  • Advanced Ceramics: Crucibles, refractory linings, and structural components

  • Metal & Polymer Additives: Enhances wear resistance and strength

  • Polishing Media: Used for lapping and polishing hard surfaces

  • Infrared & Thermal Products: Lamps, insulation coatings, textiles

  • Catalysis: As a catalyst or carrier in chemical reactions

  • Semiconductors: Surface finishing and protection layers

Additional information

Gram

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