N220
Iodine-absorption Number, g/Kg 121±5
DBP Absorption (10-5 m3/kg ) 114±5
Compression DBP absorption (10-5 m2/kg)90～105
Nitrogen Surface area Absorptive(103m2/Kg)109-129
Surface of CTAB absorption rate (102 m2 / kg )102～121
Ash Content% 0.5
45μm Sieve Residue,%≤0.10
150μm Sieve Residue,%≤0.02
Surface of He absorption rate (102 m2 / kg) 112～126
Tint Stregth( %)105~125
N330
Iodine-absorption Number, g/Kg 82±7
DBP Absorption (10-5 m3/kg ) 102±7
Compression DBP absorption (10-5 m2/kg) 78～98
Nitrogen Surface area Absorptive(103m2/Kg) 73-93
Surface of CTAB absorption rate (102 m2 / kg )73～91
Ash Content% 0.5
45μm Sieve Residue,%≤0.10
150μm Sieve Residue,%≤0.02
Surface of He absorption rate ( 102 m2 / kg ) 71～85
Tint Stregth( %)95 ~ 111
N550
Iodine-absorption Number, g/Kg 43 ± 6
DBP Absorption (10-5 m3/kg )121 ± 7
Compression DBP absorption (10-5 m2/kg) 77～93
Nitrogen Surface area Absorptive(103m2/Kg)34-50
Surface of CTAB absorption rate (102 m2 / kg )35～49
Ash Content% 0.5
45μm Sieve Residue,%≤0.10
150μm Sieve Residue,%≤0.02
Surface of He absorption rate ( 102 m2 / kg ) 34～46
Tint Stregth( %) - -
N660
Iodine-absorption Number, g/Kg 36 ± 6
DBP Absorption (10-5 m3/kg )90 ± 7
Compression DBP absorption (10-5 m2/kg)66～82
Nitrogen Surface area Absorptive(103m2/Kg)27-43
Surface of CTAB absorption rate (102 m2 / kg )29～43
Ash Content% 0.5
45μm Sieve Residue,%≤0.10
150μm Sieve Residue,%≤0.02
Surface of He absorption rate (102 m2 / kg) 29～41
Tint Stregth( %) - -

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.