Carbon Black N-660
This is a Carbon Black with a lower surface area compared to N-550. It exhibits a medium-low structure and a high modulus.
This material provides good reinforcement, high elasticity at relatively high rates of hardness.
It is used in tire carcass sidewalls and mechanical rubber goods.
TECHNICAL SPECIFICATION
| QUALITY PARAMETER | VALUE | TEST METHOD |
|---|---|---|
| Iodine adsorption number [g/kg] | 36±5 | ASTM D 1510 |
| Oil absorption number [cm3/100g] | 90±5 | ASTM D 2414 |
| pH-value | 7-10 | ASTM D 1512 |
| Heating loss at 125°C [%], max. | 1.0 | ASTM D 1509 |
| Ash content [%], max. | 0.45 | ASTM D 1506 |
| Sieve residue: 0.045 [%], max. | 0.02 | ASTM D 1514 |
| Automated individual pellet crash strength | 10-50 | ASTM D 5230 |
| Fines content, packing [%], max. | 8 | ASTM D 1508 |
| Sulphur content [%], max. | 1.1 | ASTM D 1619 |
| Pour density [kg/m3] | 420±30 | ASTM D 1513 |
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.