2KG – 100KG.
Main Parameters:
| Item | Unit | Control standard | Test value | Test method or equipment | |
| Particle size distribution (adjustable) |
D10 | um | 9.0-12.0 | 10.814 | GB/T19077-2016 Particle size analysis – laser diffraction method |
| D50 | μm | 16.0-19.0 | 17.665 | ||
| D90 | μm | 26.0-32.0 | 27.735 | ||
| D100 | um | ≤55.0 | 40.124 | ||
| Ash content | Ash | % | ≤0.1 | 0.0066 | GB/T 3521-2008 Chemical analysis method for graphite |
| Water content | H2O | % | ≤0.1 | 0.0118 | GB/T 3521-2008 Chemical analysis method for graphite |
| Tap density | Tap density | g/cm3 | ≥1.00 | 1.0705 | GB/T 5162-2006 Metal powder – Determination of tap density |
| Specific surface area | SSA | m2/g | 1.9-2.7 | 2.515 | GB/T 19587-2017 Gas adsorption BET method for determination of specific surface area of solid substances |
| Magnetic material | Magnetic | ppm | ≤0.5 | 0.2430 | Inductively coupled plasma emission spectrometer (ICP) |
| Electrical properties | Discharge capacity | mAh/g | ≥360 | 364.9 | Button battery |
| First efficiency | % | ≥92 | 94.3 |
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