Product property
Mainly adopting coal tar oil as raw material , belong to carbon black pigment series products, its tinting strength is higher than N series carbon black, can adjust absorbency , with small particle size ,good dispersion property ,high fillibility
Range of application
Mainly used in Water-based Inks ,general colorant or papermaking color paste and burnish material for cement
Parameter (GB/T7044-2003)
|
NO
|
Item
|
Good quality
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premium grade
|
|
1
|
Blackness (reflectivity)
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≤30
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≤30
|
|
2
|
tinctorial power %
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95±10
|
100±10
|
|
3
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DBP absorption (ml/g)
|
0.8
|
0.9
|
|
4
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Heating loss (mass fraction)%
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≤3
|
≤2.5
|
|
5
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volatile (mass fraction)%
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0.5
|
1
|
|
6
|
Ash content (mass fraction)%
|
0.3
|
0.3
|
|
7
|
fluidity(35℃)/mm
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≤18
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≤20
|
|
8
|
PH
|
2-6
|
2-6
|
|
9
|
Surface area ㎡/r
|
80-200
|
100-200
|
|
11
|
45umsieve residues %
|
＜0.05
|
＜0.05
|
|
12
|
Packing
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20±0.2KG/bag(coextrude film+weave bag)
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|