We 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:
1>Rubber & Tire grade& Belt Tube: as N220,N330,N550,N774,N660
2>Master batch grade:N326,N774,N660,N330
3>Plastic grade: as White Carbon,p8
4> Ink & Pigment grade:P.8, N115,N1321,C500 ect.
| TECHNICAL DATA SHEET (STANDARD:GB3778-2003 & ASTMD1765-91) |
|
| NO. | Item | Unit | Grade | N330 |
| 1 | Iodine Adsorption Number | g/kg | Superior | 82±5 |
| Qualified | 82±7 |
| 2 | DBP Absorption Number | 10 -5 m 3 /kg | Superior | 102±5 |
| Qualified | 102±7 |
| 3 | Compressed DBP Absorption Number | 10 -5 m 3 /kg | Superior | 83~93 |
| Qualified | 80~96 |
| 4 | CTAB Surface Area | 10 3 m 2 /kg | Superior | 76~88 |
| Qualified | 73~91 |
| 5 | Nitrogen Surface Area | 10 3 m 2 /kg | Superior | 73~83 |
| Qualified | 71~85 |
| 6 | STSA | 10 3 m 2 /kg | Superior | 75±5 |
| Qualified | 75±9 |
| 7 | Tint Strength | % | Superior | 99~109 |
| Qualified | 96~112 |
| 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 | 1.5 |
| 16 | Pour density | kg/m3 | Qualified | 380±40 |
| 17 | Modulus at 300% | mpa | Superior | -0.9±1.0 |
| Qualified | -0.9±1.6 |
| Hebei Daguangming Ind.Group,Juwuba Carbon Black Co.,Ltd. |