Carbon Black N-660

This is a Car­bon Black with a lower sur­face area com­pared to N-550. It exhi­bits a medi­um-low struc­tu­re and a high modulus.
This mate­ri­al pro­vi­des good rein­force­ment, high ela­s­ti­ci­ty at rela­tively high rates of hardness.
It is used in tire car­cass side­walls and mecha­ni­cal rub­ber goods.


Iod­i­ne adsorp­ti­on num­ber [g/kg] 36±5 ASTM D 1510
Oil absorp­ti­on num­ber [cm3/100g] 90±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] 420±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