Description of carbon black powder:
Chemical Name: Carbon Black
Type:N220/N234/N326/N330/N339/N351/N375/N550/N660/White Carbon Black
Cas no:1333-86-4
Form: black granule or powder
Process: wet or dry process
High-amplifying conductive carbon black powder. Easily dispersed and provides a high level extrudability of rubber compounds. Includes in the tread rubber of tires for passenger cars and trucks. Provides increased wear resistance tires, high resistance to tensile, tolerable tear resistance. N 220 is recommended for use in the manufacturing of conveyor belts and other rubber products, which require increased durability.
Items |
N220 |
N330 |
N550 |
N660 |
Iodine Absorption Number g/kg |
121 +/-5 |
82 +/-5 |
43 +/-4 |
36 +/-4 |
DBP Absorption Number 10-5m3/Kg |
114 +/-5 |
102 +/-5 |
121 +/-5 |
90 +/-5 |
DBP Absorption Number of Compressed Sample 10-5m3/Kg |
93~107 |
81~95 |
81~95 |
68~82 |
CTAB Surface Area 103m2/Kg |
106~116 |
79~87 |
38~46 |
31~39 |
Nitrogen Surface Area 103m2/Kg |
114~124 |
78~88 |
38~46 |
30~40 |
Tint Strength |
110~120 |
98~108 |
- |
- |
Heating Loss |
3.0 |
2.5 |
2.5 |
1.5 |
Ash |
0.5 |
0.5 |
0.5 |
0.5 |
Tensile Strength Map TM |
-0.8 |
-1.5 |
-3.5 |
-3.5 |
Extension% TM |
+10 |
-10 |
-10 |
+10 |
Map Modulus at 300% |
-2.5 +/-1.3 |
-1.7 +/-1.3 |
-1.7 +/-1.3 |
-3.5 +/-1.3 |
According to different uses, carbon black is usually divided into pigment carbon black, rubber carbon black, conductive carbon black and special carbon black.
Carbon black for pigment - Internationally, according to the coloring ability of carbon black, it is usually divided into three categories, namely high pigment carbon black, medium pigment carbon black and low pigment carbon black. This classification is usually represented by three letters in English, the first two of which indicate the colouring capacity of carbon black and the last of which indicates the production method.
Carbon black for rubber - Carbon black for rubber was originally classified by particle size, but later changed to nitrogen surface area. In addition, factors such as vulcanization speed and structure of carbon black pigment were also taken into account in the naming, which consists of four systems. The first English letter represents the vulcanization rate of rubber material, with N representing normal vulcanization rate, S representing slow vulcanization rate. The last three are Arabic numerals. The first number represents the surface area range of carbon black nitrogen, which is classified as 0 to 9 grades. The second and third numbers, assigned by the American Society for Testing Materials' D24.41 committee on carbon black and terminology, reflect the varying degrees of structure, the approximate high and low structure of carbon black, and are somewhat arbitrary. Relatively speaking, the larger the number, the higher the structure.
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1. Are you manufacturer or trading company?
We are group company, we have our own factory to do the production to ensure high quality product with competitive price.
2. Can you make packing and logo as customer request?
Yes we can, if you have special needs, please contact us.
3. What's your MOQ?
Usually, our MOQ is 1000kg. If the quantity is too small, the sea transportation cost will be higher.Of course, if you have special needs, you can also contact us, we will do our best to meet your needs.
4. What is your lead time?
After the deposit and confirm all the accessory with in 15days.
5. What's your packing?
Normally, standard export packing,also we can do packing as your require.