DATA3 Physicochemical Properties of Graphitized Carbon Black
Physicochemical Properties of "TOKABLACK", the Special-Use Carbon Black, also known as Graphitized Carbon Black
| TOKABLACK #3855 |
TOKABLACK #3845 |
TOKABLACK #3800 |
Conventional Carbon Black *2 |
|||
|---|---|---|---|---|---|---|
| Average Particle Diameter | nm | 25 | 40 | 70 | ||
| N2 Surface area | m2/g | 90 | 57 | 27 | ||
| DBP Absorption (JIS A Method) |
cm3/100g | 120 | 161 | 60 | ||
| Ash Content | % | 0.11 | 0.08 | 0.02 | ||
| Volatile matter | % | 0.12 | 0.38 | 0.12 | ||
| Purity Analysis Example *1 | Sulfur | % | 0.004 | 0.005 | 0.002 | 0.5 |
| Na+ | ppm | ND | ND | ND | 100 | |
| K+ | ppm | ND | ND | ND | 50 | |
| CL- | ppm | ND | ND | ND | 20 | |
*1 Detection Limit (Na+5ppm, K+3ppm, C1-10ppm)
*2 Conventional N330 Grade Carbon Black (SEAST 3, Tokai product)
Graphitized Carbon Black under a High-resolution Electron Microscopy (magnification: 450,000)
Uses:
- Coating on magnetic memory tapes
- Heat resistant paint
- Lubrication....etc.
Conventional Furnace Black
Graphitized Carbon Black
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