Product Details
99.995% ALPHA alumina has stable crystal phase, high hardness and good dimensional stability, especially it can improve the compactness of ceramics. In addition, it has high resistivity and good insulation performance.
Product Typical Properties |
AC-A1 |
AC-A2 |
Crystal Structure |
|
α |
α |
Average Particle Size (by Malvern 2000) |
〔D50,um〕 |
15-22 |
1-3 |
Loose Bulk Density |
〔g/cm3〕 |
0.40-0.50 |
0.30-0.40 |
BET Surface Area≤ |
〔m2/g〕 |
10 |
20 |
Pore Volume |
〔ml/g〕 |
0.02 |
0.02 |
Purity(Al2O3)≥ |
〔%〕 |
99.99 |
99.99 |
Impurity≤ (by ICP-OES)
|
Na |
〔ppm〕 |
50 |
50 |
Ca |
〔ppm〕 |
3 |
3 |
Mg |
〔ppm〕 |
1 |
1 |
Fe |
〔ppm〕 |
5 |
5 |
Si |
〔ppm〕 |
30 |
30 |
Ti |
〔ppm〕 |
1 |
1 |
Cu |
〔ppm〕 |
2 |
2 |
Packing |
〔drum/〕 |
kg |
kg |
Fine polishing materials, metal products, semiconductor materials, plastics, vacuum coatings, special glass raw materials, fluorescent materials, special glass, composite materials and resin materials.
|
AC-A1 |
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