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Description
Aluminum Oxide (Al₂O₃) Micron Powder – Sub-Micron, 99+% Purity, Fused Type
Ultra-Fine, High-Purity Alumina Powder for Advanced Lapping and Polishing Applications
Product Overview
This Fused Aluminum Oxide (Al₂O₃) Micron Powder features sub-micron particle size and 99+% purity, engineered specifically for high-precision polishing and lapping processes. Manufactured through a controlled fusion process and ground to ultra-fine dimensions, this alumina powder offers excellent surface finishing capabilities combined with outstanding material hardness.
Its hexagonal crystal structure, high Mohs hardness of 9, and extreme thermal stability make it a go-to material for fine abrasive applications across optics, electronics, semiconductors, and metal finishing industries.
Key Technical Properties
Purity: 99+%
Particle Size: Sub-Micron
Form: Fine Powder (Fused)
Crystal Structure: Hexagonal
Melting Point: 2072 °C
Boiling Point: 2980 °C
Density: 3.965 g/cm³
Mohs Hardness (20 °C): 9
Electrical Resistivity: 1 × 10²² μΩ·cm
CAS Number: 1344-28-1
Applications
High-precision lapping for ceramic and metal components
Optical-grade polishing in glass and sapphire substrates
Semiconductor wafer surface finishing
Surface refinement of aerospace alloys and engine parts
Fine abrasive material in polishing slurries and pastes
Die and mold finishing
Additional information
| Gram | 25 g, 100 g, 500 g, 1000 g |
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