| Appearance | / | Black powder | 1 |
| Bulk Density | g/cm3 | 0.065-0.095 | 0.083 |
| Ash Content | % | ≤0.06 | 0.01 |
| Electrical Resistivity | Ω.cm | ≤0.030 | 0.017 |
| Specific Surface Area | m2/g | 11-20 | 15 |
| Lattice Spacing | nm | ≤0.679 | 0.676 |
| Moisture | % | ≤0.1 | 0.04 |
| Impurity Fe | ppm | ≤100 | 10 |
| Impurity Cu | ppm | ≤60 | 1 |
| Notes | Store in a dry, dark, and room temperature environment. Before use, it is recommended to bake the material in an oven at 100°C for 2-4 hours. |