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.

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