Carbon Black N-990

This is a thermal Carbon Black with the smallest surface area of all Carbon Blacks. It provides a high loadability, low compression set and low compound viscosity.
It is commonly used in rubber compounds for different products like sponge rubber, gaskets or wiper blades.

TECHNICAL SPECIFICATION

QUALITY PARAMETER VALUE TEST METHOD
Iodine adsorption number [g/kg] 9±3 ASTM D 1510
Oil absorption number [cm3/100g] 42±5 ASTM D 2414
pH-value 6-11 ASTM D 1512
Heating loss at 125°C [%], max. 0.4 ASTM D 1509
Ash content [%], max. 0.2 ASTM D 1506
Sieve residue: 0.045 [%], max. 0.08 ASTM D 1514

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