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.


Iod­i­ne adsorp­ti­on num­ber [g/kg] 90±5 ASTM D 1510
Oil absorp­ti­on num­ber [cm3/100g] 124±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] 340±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