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
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 |
|