Hebei daguangming Juwuba Carbon black Co.Ltd.is the 4th manufactuer of carbon black in China,with the total production 200000 Mts per year.we may prodce 20 grades carbon black and have ISO,SGS,REACH,Certficate.
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| HEBEI DAGUANGMING JUWUBA CARBON BLACK CO., LTD |
| (N326) CERTIFICATE OF ANALYSIS |
| :DGM/CB/ZJ-JL-27 |
| MANUFACTURER | HEBEI DAGUANGMING JUWUBA CARBON BLACK CO., LTD |
| PRODUCT NAME | CARBON BLACK | PRODUCED DATE | 2014.5.27 |
| GRADE | N326 | PHYSICAL FORM | BLACK PELLETS |
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| (ITEM) | (SPECIFICATION) | (TEST METHOD) |
g/kg Iodine Adsorption Number |
| 82±6 | GB/T 3780.1 |
| CTAB 103m2/kg CTAB Absorption Area | 74-86 | GB/T 3780.5 |
| 103m2/kg STSA | 70-82 | GB/T 10722 |
| 103m2/kg Nitrogen surface area | 72-84 | GB/T 10722 |
| 10-5m3/kg Oil Absorption Number | 72±6 | GB/T 3780.2 |
| 10-5m3/kg Compressed Oil Absorption Number | 62-74 | GB/T 3780.4 |
| (825±25)ºC % Ash Content | ≤0.7 | GB/T 3780.10 |
| 45um % Residue on 45um Sieve | ≤1000 | GB/T 3780.21 |
| 500um % Residue on 500um Sieve | ≤10.0 | GB/T 3780.21 |
| Impurity | NO | GB/T 3780.12 |
| % Loss on Heating | ≤2.0 | GB/T 3780.8 |
| % Tint Strength | 103-119 | GB/T 3780.6 |
| () CN Single pellet hardness | ≤80 | GB/T 14853.6 |
| () CN Average pellet hardness | 20-50 | GB/T 14853.6 |
| % Fines content | ≤10.0 | GB/T 14853.2 |
| kg/m3 Pour Density | 455±40 | GB/T 14853.1 |
| % Toluene Discolouration | ≥90 | GB/T 3780.15 |
| PH PH value | 6-10 | GB/T3780.7 |
0, 61, 28, 0, 1, 48, 28, 18
0, 61, 28, 0, 1, 48, 28, 18
300% Mpa 300%Fixed Extention Strength |
| -3.5±1.5 | GB/T 3780.18 |