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Serial No. |
Index |
Index Value |
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1 |
2 |
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1 |
Appearance |
Gray black |
Light gray |
2 |
Thinness degree D50 |
≤ 0.5( μ m) |
≤ 0.8( μ m) |
3 |
PH of suspending solvent |
7 |
7 |
4 |
Specific surface area (m2/g) |
≥ 15 |
≥ 10 |
5 |
Stack density (g/ml) |
0.4 |
0.7 |
6 |
Generated amount of negative ion |
2000PCS/cm3 |
2200PCS/cm3 |
7 |
Capability of heat resistance ( oC ) |
>500 |
>500 |