We -Hebei Daguangming Ind. Group, is the 4th Manufactuer of Carbon in China. The annual production is 140000Mt.
We mainly produce: N220, N234, N375, N550, N326, N339, N660, N330. Grade carbon black, and have the potential to produce 20 grade carbon black if the quantity is suitable.
Our products follow the specification of GB3778-2003 Standard, and reaches ASTM-Standard.
Our Group got the Quality Certificate: ISO9001: 2008, Environmental Certificate ISO4001: 2004 Standard. Occupation Cetificate: 28001: 2001,
Now we mainly export to: India, South Korea, American, Austrialia, Afric, and Southeast Asia Countries. To: J. K, Birla Tyre, Ralson, Govind Rubber, PRS.
And other details as:
Packing: 25kgs/bag, 20kgs/bag, 500kgs/bag, 1000kgs/bag
Delivery: 3 week upon confirm the order
Terms of payment: By T/T or L/C at sight.
Letters, phone call and other further consultation are warmly Welcomed, and will be answered promptly.
| TECHNICAL SHEET (STANDARD:GB3778-2003 & ASTMD1765-91) |
| NO. |
Item |
Unit |
Grade |
N220 |
| 1 |
Iodine Adsorption Number |
g/kg |
Superior |
121±5 |
| Qualified |
121±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 |
93~103 |
| Qualified |
90~106 |
| 4 |
CTAB Surface Area |
10 3 m 2 /kg |
Superior |
105~117 |
| Qualified |
102~120 |
| 5 |
Nitrogen Surface Area |
10 3 m 2 /kg |
Superior |
114~124 |
| Qualified |
112~126 |
| 6 |
STSA |
10 3 m 2 /kg |
Superior |
106±5 |
| Qualified |
106±9 |
| 7 |
Tint Strength |
% |
Superior |
111~121 |
| Qualified |
108~124 |
| 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 |
355±40 |
| 17 |
Modulus at 300% |
mpa |
Superior |
-2.3±1.0 |
| Qualified |
-2.3±1.6 |
| Hebei Daguangming Ind.Group,Juwuba Carbon Black Co.,Ltd. |
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