Carbon Black

Standard

N110

N115

N121

N134

N219

N220

Item

Ioding AdsorptionNumber g/kg

145±8

160±8

121±7

142±8

118±7

121±7

DBP Absorption Number 10-5M3/kg

113±7

113±7

132±8

127±7

78±7

114±7

DBP Compressed Sample10-5M3/kg

89-105

89-105

103-119

95-111

67-91

90-106

CTAB surface Area103M2/kg

117-135

119-137

112-130

124-144

98-116

102-120

Nitrogen Surface Area103M2/kg

120-134

129-145

115-129

135-151

109-123

112-126

Tint Strength %

115-131

115-131

111-127

123-139

115-131

108-124

Heating Loss %≤

3

3

3

3

2.5

2.5

Ash Content %

0.7

0.7

0.7

0.7

0.7

0.7

45μm Sieve Residue % ≤

0.1

0.1

0.1

0.1

0.1

0.1

500μm Sieve Residue % ≤

0.001

0.001

0.001

0.001

0.001

0.001

Impurity

no

no

no

no

no

no

stress at 300% Elongation Mpa

-3.5±1.6

-3.4±1.6

-0.4±1.6

-1.8±1.6

-3.9±1.6

-2.3±1.6

Characteristics of vulcanized rubber

N110: High reinforcing, super abrasion

N115: High reinforcing, super abrasion

N121: High reinforcing, super abrasion, high modulus

N134: High reinforcing

N219: High reinforcing, low modulus, good elongation and resistance to tearing, good flex resistance

N220: High reinforcing, high tear resistance, good processing

Standard

N375

N539

N550

N660

N762

N774

Item

Iodine Adsorption Number g/kg

90±7

43±6

43±6

36±6

27±6

29±6

DBP Absorption Number 10-5M3/kg

114±7

111±7

121±7

90±7

65±6

72±7

DBP Compressed Sample10-5M3/kg

88-104

73-89

77-93

66-82

53-65

57-69

CTAB surface Area103M2/kg

87-105

34-48

35-49

29-43

23-35

23-35

Nitrogen Surface Area103M2/kg

86-100

33-45

34-46

29-41

24-34

25-35

Tint Strength %

106-122

-

-

-

-

-

Heating Loss %≤

2.5

1.5

1.5

1.5

1.5

1.5

Ash Content %

0.7

0.7

0.7

0.7

0.7

0.7

45μm Sieve Residue % ≤

0.1

0.1

0.1

0.1

0.1

0.1

500μm Sieve Residue % ≤

0.001

0.001

0.001

0.001

0.001

0.001

Impurity

no

no

no

no

no

no

stress at 300% Elongation Mpa

0.1±1.6

-1.6±1.6

-0.9±1.6

-2.6±1.6

-4.9±1.6

-4.1±1.6

Characteristics of vulcanized rubber

N375: medium-high reinforcing, high modules and hardness, smooth surface of extrusion

N539: Medium-high reinforcing, high modulus and hardness, smooth surface of extrusion

N550: Medium-high reinforcing, high modulus and hardness, smooth surface of extrusion

N660: medium-high reinforcing and modulus, good flex resistance, low heat buildup

N762: low reinforcing

N774: semi-reinforcing, good elongation, high resilience, low compressed deformation

Standard

N234

N326

N330

N339

N347

N351

Item

Coding Adsorption Number g/kg

120±7

82±7

82±7

90±7

90±7

68±7

DBP Absorption Number 10-5M3/kg

125±7

72±7

102±7

120±7

124±7

120±7

DBP Compressed Sample10-5M3/kg

94-110

62-74

80-96

91-107

91-107

87-103

CTAB surface Area103M2/kg

110-128

74-92

73-91

84-102

78-96

64-82

Nitrogen Surface Area103M2/kg

112-126

71-85

71-85

84-98

78-92

64-78

Tint Strength %

115-131

103-119

96-112

103-119

97-113

92-108

Heating Loss %≤

2.5

2.5

2.5

2.5

2.5

2.5

Ash Content %

0.7

0.7

0.7

0.7

0.7

0.7

45μm Sieve Residue % ≤

0.1

0.1

0.1

0.1

0.1

0.1

500μm Sieve Residue % ≤

0.001

0.001

0.001

0.001

0.001

0.001

Impurity

no

no

no

no

no

no

stress at 300% Elongation Mpa

-0.4±1.6

-3.9±1.6

-0.9±1.6

0.6±1.6

0.2±1.6

0.8±1.6

Characteristics of vulcanized rubber

N234: High reinforcing, high abrasion, high modulus, good dispersion

N326: Medium-high reinforcing, low modules, good elongation and resistance to tearing, good flex resistance

N330: medium-high reinforcing and modulus, good processing

N339: medium-high reinforcing, high modulus and hardness, good processing

N347: medium-high reinforcing, high modulus and hardness, good processing

N351: medium-high reinforcing, high modulus and hardness, good processing