Carbon Black N-550

Medium reinforcing Carbon Black with a higher structure in comparison to N-539. This material imparts a medium abrasion resistance, high strength, low shrinkage and it provides a high extrusions capacity.
It is predominantly used in tire carcasses, inner tubes, cable jacketing, gaskets and plastic compounds.


Iodine adsorption number [g/kg] 43±5 ASTM D 1510
Oil absorption number [cm3/100g] 121±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] 360±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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