Carbon Black N220
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Carbon Black N220

Carbon Black N220

Test Item

Unit

Specification

Test Result

Apprearance

black granule

black granule

Iodine Absorption Value

g/kg

121±7

120

DBP Absorption Value

10-5m3/kg

114±6

115

DBP Absorption of Compressed sample

10-5m3/kg

92-104

95

CTAB Absorption Area

103m2/kg

103-117

108

Tinting Intensity

%

108-124

109

Pour density

Kg/m3

355±40

350

325 Sieve Residue

mg/kg

≤1000

200

32 SIEVE Residue

%

≤10

0

pellet crushing strensth

cN

30-50

33

Powder Content

%

≤7

3

Impurities

 

None

None

Heating Loss

%

≤2.5

0.5

Ash

%

≤0.7

0.3

Tensile Strength

Mpa

≥-2.0

-1.1

elongation at rupture

%

≥-10

9

300% Stretching Stress

Mpa

-1.9±1.5

-2.0

Result:qualified

Remark:

Person in charge:Zhang Shang

Rechecked:2

Test person:Yu Jufei

Carbon Black N220 for tyre,rubber products

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