Carbon Black N-339

A Carbon Black grade with a high structure and high modulus. It provides excellent wear and extrusion properties, improved abrasion resistance and hysteresis.
It is applied in passenger treads, tread rubber, conveyor belts and mechanical rubber goods.


Iodine adsorption number [g/kg] 90±5 ASTM D 1510
Oil absorption number [cm3/100g] 120±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] 350±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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