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Carbon black is mainly used as a reinforcing agent and filler for rubber, and its consumption is about half of that of rubber. Carbon black for rubber accounts for 94% of the total carbon black, of which about 60% is used in tire manufacturing. In addition, it is also used as a colorant for inks, coatings, and plastics, as well as a UV shielding agent for plastic products. It is also an important additive in many other products, such as electrodes, dry batteries, resistors, explosives, cosmetics, and polishing pastes.

 

Typical Properties

Test Item Test Method Grade
N130 N134 N205 N219 N220 N234 N326 N330 N339 N351 N375 N550 N660 N774

Iodine Absorption Value

(g/kg)

 ASTM D 1510 140±6 142±6 122±6 116±6 122±6 120±6 81±6 81±6 90±6 67±6 90±6 41±6 36±6 29±6

Oil Absorption Value

(cm3/100g)

 ASTM D 2414 130±6 127±6 114±6 78±6 115±6 125±6 72±6 102±6 122±6 120±6 114±6 122±6 91±6 72±6

Compression Oil Absorption Value

(cm3/100g)

 ASTM D 3493 ... 103±5 ... ... 100±5 102±5 69±5 88±5 ... ... ... ... ... ...

Nitrogen Absorption Value

(m3/g)

 ASTM D 6556 ... 143±6 ... ... 115±6 119±6 78±6 79±6 ... ... ... ... ... ...

Coloring Depth

(% vs IRB)

 ASTM D 3265 127±6 131±6 132±6 117±6 115±6 124±6 112±6 103±6 110±6 100±6 115±6 ... ... ...

Water Washing Residue

(% Max)

 #325 ASTM D 1514 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05 0.05
#35 ASTM D 1514 0.001 0.003 0.001 0.003 0.001 0.001 0.003 0.001 0.001 0.001 0.001 0.001 0.001 0.001

Single Particle Strength

(gf Max)

 Max ASTM D 3313 70 70 70 70 70 70 70 70 70 60 70 70 70 70
Avg ASTM D 3313 45 45 45 45 45 45 45 45 45 45 40 45 45 45

Subdivision Content

(% Max)

 P.P Bag ASTM D 1508 8 8 8 8 8 8 8 8 8 8 8 8 8 8
Paper ASTM D 1508 10 10 10 10 10 10 10 10 10 10 10 10 10 10

Toluene Extract Transmittance

(% Min)

 ASTM D 1618 85 85 70 85 85 70 70 85 70 60 60 80 70 ...

Ash Content

(% Max)

 ASTM D 1506 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7 0.7

Volatile

(% Max)

 ASTM D 6558 3 3 3 3 3 3 3 3 3 3 3 3 3 3
PH ASTM D 1512 7±2 7±2 7±2 7±2 7±2 7±2 7±2 7±2 7±2 7±2 7±2 7±2 7±2 7±2

Pour Density

(kg/m3)

 ASTM D 1513 310±40 320±30 360±40 430±40 350±40 320±40 460±40 375±40 340±40 340±40 320±40 350±40 325±40  475±40

Heating Loss

(% Max)

 ASTM D 1502 2 2 2 2 2 2 2 2 2 2 2 2 2 2
                                 

 

Application field

● Reinforcing agent and filler for rubberr

● Colorant for inks, coatings, and plastics

● UV shielding agent for plastic products.

● Additive in electrodes, dry batteries, resistors, explosives, cosmetics, and polishing pastes...

 

Carbon Black

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