ITEM

CARBON BLACKN220

CARBON BLACKN330

CARBON BLACKN550

CARBON BLACKN660

Loding Absorption Number (g/Kg)

114-128

77-87

39-47

32-40

Absorption Value of DBP (10-5 m3/Kg)

109-119

97-107

116-126

85-95

Absorption Value of compressing sample DBP (10-5 m3/Kg)

95-105 

83-93

83-93

71-79

Adsorptive Specific Surface Area of CATB ( 10 3 m2/Kg)

106-116

77-87

38-46

32-40

Adsorptive Specific Surface Area of Nitrogen (10 3 m2/Kg)

114-124

78-88

38-46

30-40

Tinting Strength %

110-120

98-108

Heating Loss

2.5%Max

2.5%Max

1.5%Max

1.5%Max

Ash Content

0.5%Max

0.5%Max

0.5%Max

0.5%Max

Tensile Strength

-0.5MPa Min

-0.5MPa Min

-3.5MPa Min

-3.0MPa Min

300% Extending Stress

-1.5 ±1.0 MPa

1.0±1.0 MPa

1.0±1.0 MPa

2.5±1.0 MPa

45μm Sieve Residue

0.10%Max

0.10%Max

0.10%Max

0.10%Max