Carbon Black N-991
This is the powder version on thermal Carbon Black N-990. In case of some applications a powder version of thermal Carbon Black offers additional benefits. For example the mixing oft the powder requires less efforts and energy because there are no beads to be destroyed.
TECHNICAL SPECIFICATION
| QUALITY PARAMETER | VALUE | TEST METHOD |
|---|---|---|
| Iodine adsorption number [g/kg] | 9±3 | ASTM D 1510 |
| Oil absorption number [cm3/100g] | 42±5 | ASTM D 2414 |
| pH-value | 7-11 | ASTM D 1512 |
| Heating loss at 125°C [%], max. | 0.4 | ASTM D 1509 |
| Ash content [%], max. | 0.2 | ASTM D 1506 |
| Sieve residue: 0.045 [%], max. | 0.08 | ASTM D 1514 |
Note: The above-mentioned values do not constitute a specification or certification for a particular shipment,
but merely represent values, based on analysis of spot samples from previous productions.