Specification:
| No. | Item | Standard | Test Result |
| 1 | CTAB surface area m2/g | 85±5 | 87 |
| 2 | Particie Diameter nm | 31 | 31 |
| 3 | DBP Absorption cc/100g | 95 | 97 |
| 4 | Tinting Strength % | 115 | 115 |
| 5 | Volatie % | 0.2 | 0.2 |
| 6 | Ash Content % | 0.05 Max | 0.05Max |
| 7 | Heat Loss % | 1.5 Max | 1.5Max |
| 8 | Pour density | 350±40 | 364 |
| 9 | 325 mesh Sieve Residue ppm | 10 Max | 10Max |
| 10 | PH | 3.5 | 3.5 |
Usage: Its mainly used in rubber industry, and in printing ink, paint, plastic
industry etc.