Carbon Black N-539

This is a medium reinforcing Carbon Black with medium surface and structure. It provides fast, smooth extrusions and relatively high resilience. This material is used in profiles, sealing system, weather strips, hoses and automotive rubber parts.

TECHNICAL SPECIFICATION

QUALITY PARAMETER VALUE TEST METHOD
Iodine adsorption number [g/kg] 43±5 ASTM D 1510
Oil absorption number [cm3/100g] 111±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] 370±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.

Download PDF