N220

N330

N550

N660

Iodine-absorption Number, g/Kg

121±5

82±7

43 ± 6

36 ± 6

DBP Absorption (10-5 m3/kg )

114±5

102±7

121 ± 7

90 ± 7

Compression DBP absorption (10-5 m2/kg)

90～105

78～98

77～93

66～82

Nitrogen Surface area Absorptive(103m2/Kg)

109-129

73-93

34-50

27-43

Surface of CTAB absorption rate (102 m2 / kg )

102～121

73～91

35～49

29～43

Ash Content%

0.5

0.5

0.5

0.5

45μm Sieve Residue,%≤

0.10

0.10

0.10

0.10

150μm Sieve Residue,%≤

0.02

0.02

0.02

0.02

Surface of He absorption rate ( 102 m2 / kg )

112～126

71～85

34～46

29～41

Tint Stregth( %)

105~125

95 ~ 111

 -

-

Appearance

Black Powder or Granular

Packing

25kg net bag, 16MT in 20’FCL

Usage

Its mainly used in rubber industry, and in printing ink, paint, plastic industry, car tire tread etc.