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Aluminium Oxide Powder
Calcined Aluminium Oxide Powder
Product Description:
Calcined Alumina is an α-Al₂O₃ powder made from industrial aluminum hydroxide or bauxite through high-temperature calcination (1200℃-1500℃). It has the characteristics of high melting point (2050℃), high hardness (Mohs 9), chemical inertness, etc. It is the core raw material in the fields of refractory materials, ceramics, polishing and advanced ceramics.
Product Usage
Refractory materials
Electronic ceramic substrates
Surface treatment, sandblasting and polishing
Chemical catalysis, catalyst carrier (petroleum cracking, automobile exhaust purification)
Thermal conductive fillers (thermal conductive silicone/ceramics)
Technical Data Sheet:
|
Item |
Unit |
Data |
|
Al₂O₃ |
% |
≥99.5 |
|
Na₂O |
% |
≤0.1 |
|
SiO₂ |
% |
≤0.05 |
|
Burn reduction（1000℃） |
% |
≤0.3 |
|
Size（D50） |
um |
0.5-10 |
|
Specific surface area |
m²/g |
2-5 |
