We Hebei Daguangming Juwuba Carbon Black co.Ltd.is the 4th manufactuer of carbon black in China,with the total production 200,000Mts per year,we may produce carbon black for Rubber and for Masterbatch,as:
N115,N121,N220,N330,N550,N660 ect.
and the Specification of N220 as following
CARBON BLACK N220
N115,N121,N220,N330,N550,N660 ect.
and the Specification of N220 as following
CARBON BLACK N220
| Parameter N220 | Spec. | Result | Test Method ASTM-D |
| Iodine No.,gm/kg. | 116.0-126.0 | 120.2 | D1510 |
| DBPA,cc/100 gms | 110.0-118.0 | 115.2 | D2414 |
| No.325 Sieve Residue % 325 | 0.050 MAX | 0.030 | D1514 |
| Heat loss % () | 1.50 MAX | 0.60 | D1509 |
| Fines,% | 10.0 MAX | 5.4 | D1508 |
| Pellet hardness-Av. Of 20 Pellets,gf. 20 | 15.0-25.0 | 22.1 | D5230 |
| Pellet hardness- Max.Of 20 Pellets,.gf 20 | 45.0MAX | 32.4 | D5230 |
| Pour density,kg/m3 | 311-361 | 346 | D1513 |
| Nitrogen Surface Area, sqm/gm | 109.0-115.0 | 110.2 | D6556 |
| Filter Pressure Value(FPV) Bar/gm PCBL W1:52 | 3.00 | 2.15 |