

High purity alumina is the main raw material for LED phosphor powder production. High purity alumina massive produced by our company is featured with high purity, good dispersion, centralized particle size distribution, excellent crystalline grain appearance as well as stable physical & chemical properties which guaranteed the high qualify of LED phosphor powder with good brightness, narrow particle size and super crystalline grain appearance.
High Purity Alumina for LED Phosphor Powder |
|
Model |
RB-Y-1 |
Crystaltype |
α |
Appearance |
white powder |
Purity |
≥99.99% |
Na |
≤0.0010% |
Fe |
≤0.0006% |
Ca |
≤0.0002% |
Si |
≤0.0020% |
Cu |
≤0.0001% |
Mg |
≤0.0002% |
Ti |
<0.0001% |
Cr |
≤0.0001% |
Zn |
≤0.0002% |
Pb |
<0.0001% |
Mn |
≤0.0001% |
Ni |
≤0.0002% |
D50 |
5.0-6.0μm |
BET |
4.0-6.0m2/g |
Loose Density |
0.3-0.6g/cm3 |
Water Content |
≤0.5% |
Note: Product physical properties are adjustable at customer’s request. |
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