| Powder | Processing | Size (µm) | Density** (g/cm3) | Porosity (vol%) | Flow* (s/50g) | Tapped density (g/cm3) |
| Amperit | fused-crushed (Amperit) | 22 - 52 | fully dense | fully dense | - | 1.77 |
| AT3-SG | granulated and sintered | 63 - 125 | 3.43 | 16 | 46.1 | 1.67 |
| AT3-AG | as-freeze granulated | 63 - 180 | 1.48 | 63 | 94.3 | 0.86 |