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.


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.

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