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By certification 
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.
| Specification Details |
Product |
AC-A1 |
AC-A2 |
||
Crystal Structure |
α |
α |
||
Average Particle Size |
〔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≤ |
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 |
|
| Application |
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 |
http://www.honghechemical.com/
