Expandable graphite powder
Expandable graphite powders are made from natural flake graphite treated by chemical or electro-chemical processes. They can expand 150-250 times in volume at high temperature with large surface area, high surface energy, good flexibility, resilience and plasticity etc.
Natural high-purity graphite powder
| Grades | Particle Size (mesh) | min. Fixed Carbon (%) | min. Plus Mesh (%) | min. Minus Size (%) | max. Moisture (%) | max. Fe (ppm) | max. Mo (ppm) |
|---|---|---|---|---|---|---|---|
| CG-HP 01 | -100/-200 -325/-400 | 99.9 | – | 80 | 0.2 | 50 | 0.4 |
| CG-HP 02 | 50/80/100 | 99.98 | 80 | – | 0.2 | 20 | 0.1 |
| CG-HP 03 | -100/-200 -325/-400 | 99.98 | – | 80 | 0.2 | 20 | 0.1 |
| CG-HP 04 | 50/80/100 | 99.9 | 80 | – | 0.2 | 50 | 0.4 |
Super-fine graphite powder
| Grades | Particle Size (mesh) | min. Fixed Carbon (%) | min. Minus Mesh (%) | min. Moisture (%) |
|---|---|---|---|---|
| CG-FP 01 | 800 | 99.98 | 90 | 0.2 |
| CG-FP 02 | 1 | 99.95 | 90 | 0.2 |
| CG-FP 03 | 2 | 99.9 | 90 | 0.2 |
| CG-FP 04 | 4 | 99 | 90 | 0.2 |
| CG-FP-05 | 5 | 99 | 90 | 0.2 |
Natural graphite powders for batteries
Graphite powder for anode of li-ion batteries
| Grades | C (%) min. | Ash (%) max. | H2O (%) max. | Particel Size D50 (μm) | Tap (g/m1) | Morphology |
|---|---|---|---|---|---|---|
| CG-PLB | 99.9 | 0.1 | 0.1 | 18-22 | 0.90 | Nearly spheroid |
Graphite powder for anode of alkali batteries
| Grades | C (%) min. | Ash (%) max. | H2O (%) max. | Fe (ppm) max. | Mo (ppm) max. | Cu (ppm) max. | As (ppm) max. | Pb (ppm) max. | Cd (ppm) max. | Cr (ppm) max. | Particle Size mesh |
|---|---|---|---|---|---|---|---|---|---|---|---|
| CG-PAB | 99.9 | 0.1 | 0.5 | 30 | 5.0 | 1.05.2020 | 0.5 | 5.0 | 5.0 | 5.0 | -325 |
Graphite powder for bipolar plate of fuel
| Grades | C (%) min. | Ash (%) max. | H2O (%) max. | Fe (ppm) max. | Mo (ppm) max. | Cu (ppm) max. | Ph | Particle Size mesh |
|---|---|---|---|---|---|---|---|---|
| CG-PFC | 99.8 | 0.2 | 0.1 | 50 | 0.5 | 0.6 | 6.3 ± 0.3 | -325 |