Carbon Black N550
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Carbon Black N550

Carbon Black N550

Test Item

Unit

Specification

Test Result

Apprearance

black granule

black granule

Iodine Absorption Value

g/kg

43±5

42

DBP Absorption Value

10-5m3/kg

121±7

120

DBP Absorption of Compressed sample

10-5m3/kg

80-90

83

CTAB Absorption Area

103m2/kg

36-48

41

Tinting Intensity

%

—-

—-

Pour density

Kg/m3

360±40

365

325 Sieve Residue

mg/kg

≤1000

230

32 SIEVE Residue

%

≤10

0

pellet crushing strensth

cN

30-50

32

Powder Content

%

≤7

3

Impurities

 

None

None

Heating Loss

%

≤1.5

0.5

Ash

%

≤0.7

0.3

Tensile Strength

Mpa

≥-5.0

-3.2

elongation at rupture

%

≥-40

-10

300% Stretching Stress

Mpa

-0.5±1.5

-0.8

Result:qualified

Remark:

Person in charge:Zhang Shang

Rechecked:2

Test person:Yu Jufei

Carbon Black N550

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