Items

Classification

N220

N330

N550

N660

Loding Absorption number (g/kg)

114-128

77-87

39-47

32-40

Absorption Value of DBP (10-5M3/kg)

109-119

97-107

116-126

85-95

Sample DBP (10-5M3/kg)

95-105

83-93

83-93

71-79

Adsorptive Sepeific Surface Area of CATB  (103M2/kg)

106-116

77-87

38-46

32-40

Adsorptive Sepeific Surface Area of Nitrogen (103M2/kg)

114-124

78-88

38-46

30-40

Tinting Strenth%

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

45 um Sieve Residue

0.10%max

0.10%max

0.10%max

0.10%max