Non-toxic, odorless, odorless, white powder, alpha crystal phase. It has the characteristics of high purity, fine particle size, uniform distribution and concentration. It is widely used as coating material on separator base membrane of lithium battery.
| Brand | BET m2/g | Al2O3 %≥ | Fe ppm | Na ppm | Ca ppm | D50 ppm | D99 ppm |
| A-9995-20a | ≤5 | 99.95 | 50 | 150 | 150 | 20±5 | / |
| A-9995-4a | ≤5 | 99.95 | 50 | 150 | 150 | 4±1 | 15 |
| A-999-2a | ≤5 | 99.95 | 50 | 150 | 150 | 2±1 | 10 |
| A-999-40a | ≤5 | 99.9 | 50 | 250 | 150 | 40±10 | / |
| A-999-4a | ≤5 | 99.9 | 50 | 250 | 150 | 4±1 | 15 |
| A-999-2a | ≤5 | 99.9 | 50 | 250 | 150 | 2±1 | 10 |
