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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
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Purity: 99+%
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Particle Size: Sub-Micron
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Form: Fine Powder (Fused)
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Crystal Structure: Hexagonal
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Melting Point: 2072 °C
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Boiling Point: 2980 °C
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Density: 3.965 g/cm³
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Mohs Hardness (20 °C): 9
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Electrical Resistivity: 1 × 10²² μΩ·cm
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CAS Number: 1344-28-1
Applications
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High-precision lapping for ceramic and metal components
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Optical-grade polishing in glass and sapphire substrates
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Semiconductor wafer surface finishing
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Surface refinement of aerospace alloys and engine parts
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Fine abrasive material in polishing slurries and pastes
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Die and mold finishing
Additional information
| Gram | 25 g, 100 g, 500 g, 1000 g |
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