Carbon Black N-347

A Carbon Black grade with a medium surface area and a high structure. It provides excellent processing characteristics and permits the usage of high oil loading with low die swell. It improves the resistance for abrasion.
Therefore it is mainly used in tire treads and mechanical rubber goods.

TECHNICAL SPECIFICATION

QUALITY PARAMETERVALUETEST METHOD
Iodine adsorption number [g/kg]90±5ASTM D 1510
Oil absorption number [cm3/100g]124±5ASTM D 2414
pH-value7-10ASTM D 1512
Heating loss at 125°C [%], max.1.0ASTM D 1509
Ash content [%], max.0.45ASTM D 1506
Sieve residue: 0.045 [%], max.0.02ASTM D 1514
Automated individual pellet crash strength10-50ASTM D 5230
Fines content, packing [%], max.8ASTM D 1508
Sulphur content [%], max.1.1ASTM D 1619
Pour density [kg/m3]340±30ASTM 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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