Carbon black

N220

N330

N231

N234

N299

N326

N339

N375

N550

N660

N772

N774

Iodine absorption value? g/kg

118

83

120

118

106

82

90

90

42

38

33

30

DBP absorption value 10-5m3/kg

109

106

90

90

126

71

119

113

122

90

65

74

Compressed DBP absorption value 10-5m3/kg

92

90

83

102

105

68

101

96

86

74

55

64

CTAB absorption area 10m3m2/kg

110

82

112

118

104

82

90

98

42

35

32

30

STSA 102m2/kg

98

78

106

113

100

75

90

90

40

33

35

30

Nitrogen absorption area 102m2/kg

116

79

110

120

103

79

90

92

40

35

34

30

Coloring strength

112

105

119

123

115

110

112

115

Heating loss

2.5

2.4

2.5

2.5

2.5

2.5

2.5

2.5

1.5

1.5

1.5

1.5

Pumping density

380

350

390

320

315

450

350

355

380

450

520

490

300%tensile strength Mpa

-1.0

-1.5

-4.0

1.0

1.0

-3.0

1.0

1.0

-1.5

1.0

-4.0

-4.0

Result of verifying

Up to grade

Up to grade

Up to grade

Up to grade

Up to grade

Up to grade

Up to grade

Up to grade

Up to grade

Up to grade

Up to grade

Up to grade