ITEMS

N220

N234

N326

N330

N339

N375

N550

N660

Iodine Absorption

No. g/kg

121±7

120±7

82±7

82±7

90±7

90±7

43±6

36±6

DBP Absorption No 10-5 M 3/kg

114±7

125±7

72±7

102±7

120±7

114±7

121±7

90±7

DBP Absorption No. of Compressed sample 10-5 M 3/kg

90-106

94-110

62-74

80-96

91-107

88-104

77-93

66-82

CTAB surface Area No.103 M 2/kg

102-120

110-128

74-92

73-91

84-102

87-105

35-49

29-43

Nitrogen Surface Area 103 M2/kg

112-126

112-126

71-85

71-85

84-98

86-100

34-46

29-41

Tint Strength %

108-124

115-131

103-119

96-112

103-119

106-122

-

-

Heating Loss %≤

2.5

2.5

2.5

2.5

2.5

2.5

1.5

1.5

Ash Content %≤

0.7

0.7

0.7

0.7

0.7

0.7

0.7

0.7

500 μm Sieve Residue % ≤

0.0010

0.0010

0.0010

0.0010

0.0010

0.0010

0.0010

0.0010

45 μm Sieve

Residue % ≤

0.100

0.100

0.100

0.100

0.100

0.100

0.100

0.100

Impurity

no

no

no

no

no

no

no

no

Stress at 300% Elongation MPa

-2.3±1.6

-0.4±1.6

-3.9±1.6

-0.9±1.6

0.6±1.6

0.1±1.6

-0.9±1.6

-2.6±1.6