Original
By certification 
Because our high-purity alumina raw powder has a larger average particle size, in order to meet higher requirements, we must process and mill and then obtain a finer high-purity alumina fine powder. Of course, this process must also be free from any contamination.
| Specification Details |
Product |
4N5G-D2 |
4N5A-D5 |
||
Crystal Structure |
γ |
α |
||
Average Particle Size |
〔D50,um〕 |
0.5-2.5 |
4-6 |
|
Loose Bulk Density |
〔g/cm3〕 |
0.50 |
0.60 |
|
BET Surface Area |
〔m2/g〕 |
90-120 |
≤10 |
|
Purity(Al2O3)≥ |
〔%〕 |
99.995 |
99.995 |
|
|
Impurity≤ |
Na |
〔ppm〕 |
30 |
30 |
Ca |
〔ppm〕 |
1 |
1 |
|
Mg |
〔ppm〕 |
1 |
1 |
|
Fe |
〔ppm〕 |
1 |
1 |
|
Si |
〔ppm〕 |
17 |
17 |
|
Ti |
〔ppm〕 |
1 |
1 |
|
Cu |
〔ppm〕 |
1 |
1 |
|
Packing |
〔drum/〕 |
20kg |
25kg |
|
| Application |
Thermal interface materials, top ceramics, spray material, Ternary battery material, electronic materials and more.
 |
|
| 4N5G-D2 | 4N5A-D5 |
http://www.honghechemical.com/
