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