e Hebei Daguangming Juwuba Carbon Black Co.Ltd is the 4th manufactuer of carbon black In China.OUr Yearly production is:200,000Mts
We may produce more than 20 grades carbon black like N220, N234, N330, N326, N339, N375, N550, N539, N660 T300,C500,P8 ect. And following GB3778-2011 & ASTM-D Stanard.
We export more than 20 countries.and got ISO:9001:2008,QS, ISO1400H OHAS Reach Certificate. Our carbon black are mainly used in the following field:
TECHNICAL SHEET (STANDARD:GB3778-2011 & ASTMD1765-91) |
NO. |
Item |
Unit |
Grade |
N375 |
1 |
Iodine Adsorption Number |
g/kg |
Superior |
90±5 |
Qualified |
90±7 |
2 |
DBP Absorption Number |
10 -5 m 3 /kg |
Superior |
114±5 |
Qualified |
114±7 |
3 |
Compressed DBP Absorption Number |
10 -5 m 3 /kg |
Superior |
91~101 |
Qualified |
88~104 |
4 |
CTAB Surface Area |
10 3 m 2 /kg |
Superior |
90~102 |
Qualified |
87~105 |
5 |
Nitrogen Surface Area |
10 3 m 2 /kg |
Superior |
88~98 |
Qualified |
86~100 |
6 |
STSA |
10 3 m 2 /kg |
Superior |
91±5 |
Qualified |
91±9 |
7 |
Tint Strength |
% |
Superior |
109~119 |
Qualified |
106~122 |
8 |
PH Value |
|
Qualified |
7±1.5 |
9 |
Heating Loss |
%≤ |
Qualified |
2.5 |
10 |
Ash Content |
% ≤ |
Qualified |
0.7 |
11 |
45 um Mesh |
% ≤ |
Superior |
0.05 |
Qualified |
0.10 |
12 |
Impurity |
|
Qualified |
NO |
13 |
Fines Content |
%≤ |
Qualified |
7 |
14 |
Toluene Discoloration |
% max 1618 |
Qualified |
90(85--90) |
15 |
Sulfur |
% max 1619 |
Qualified |
1.1 |
16 |
Pour density |
kg/m3 |
Qualified |
345±40 |
17 |
Modulus at 300% |
mpa |
Superior |
0.1±1.0 |
Qualified |
0.1±1.6 |
Hebei Daguangming Ind.Group,Juwuba Carbon Black Co.,Ltd. |
N375 is the carbon black mainly used in Tyre surface of saloon car and truck tyre; surface layer of conveyer belt; industrial rubber product
The Specification as following:.