Introduction
This gamma-alumina having very high surface areas and pore structure are used as catalyst carriers, adsorbents and more; Alpha-alumina is used in advanced ceramics, advanced spraying materials and so on.
ProductTypical Properties | AC-G1 | AC-G2(milled) | AC-A1 | AC-A2(milled) |
Crystal Structure |
| γ | γ | α | α |
Average Particle Size(by Bettersize Laser 9300SE) | 〔D50,um〕 | 15-25 | 1-3 | 15-25 | 2-4 |
Loose Bulk Density | 〔g/cm3〕 | 0.30-0.40 | 0.20-0.30 | 0.50-0.60 | 0.30-0.40 |
BET Surface Area | 〔m2/g〕 | 250-300 | 260-310 | 10-20 | 10-20 |
Pore Volume | 〔ml/g〕 | 0.40 | 0.25 | 0.02 | 0.02 |
Purity(Al2O3) | 〔%〕 | >99.99 | >99.99 | >99.99 | >99.99 |
Impurity≤ (by ICP-OES) | Na | 〔ppm〕 | 50 | 50 | 50 | 50 |
Ca | 〔ppm〕 | 3 | 3 | 3 | 3 |
Mg | 〔ppm〕 | 1 | 1 | 1 | 1 |
Fe | 〔ppm〕 | 5 | 5 | 5 | 5 |
Si | 〔ppm〕 | 30 | 30 | 30 | 30 |
Ti | 〔ppm〕 | 1 | 1 | 1 | 1 |
Cu | 〔ppm〕 | 2 | 2 | 2 | 2 |
Packing(As per customer’s requests) | 〔drum/〕 | kg | kg | kg | kg |
 |  |
AC-G1 | AC-G2 |