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Dental Aluminum Oxide Powder
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Typical Chemical Analysis
Aluminum Oxide (by difference) = 99.77%
Silicon Dioxide = 0.02%
Iron Oxide = 0.01%
Sodium Oxide = 0.20%
Typical Physical Properties
Crystallography – Alpha alumina, in a hexagonal crystal
Color – White
Specific Gravity – 3.96
Knoop₁₀₀ Hardness – 2000
Shape – Blocky, with sharp edges
Grading (Grain) – ANSI B74.12-2001, Table 2 OR FEPA 42-1:2006
Grading (Powder) – ANSI B74.10-2001 OR FEPA 42-2:2006
Bulk Density (Grain) – ANSI B74.4-1992 (R2007)
Typical Applications
Used for micro-abrasion in the dental industry, for cavity preparation and surface etch for bond enhancement.
Packaging Options
Jars, pails, drums, multi-ply paper bags
Classification
Alumina / Aluminum Oxide CAS Number: 1344-28-1
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