ITEM Carbon Black N-220 Carbon Black N-330 Carbon BlackN-550 Carbon Black N-660
Loding Absorption Number (g/Kg) 114-128 77-87 39-47 32-40
Absorption Value of DBP (10-5 m3/Kg) 109-119 97-107 116-126 85-95
Absorption Value of compressing
Sample DBP (105 m3/Kg) 95-105 83-93 83-93 71-79
Adsorptive Specific Surface
Area of Catb ( 10 3 m2/Kg) 106-116 77-87 38-46 32-40
Adsorptive Specific Surface
Area of Nitrogen (10 3 m2/Kg) 114-124 78-88 38-46 30-40
Tinting Strength % 110-120 98-108 --- ---

Heating Loss 2.5%Max 2.5%Max 1.5%Max 1.5%Max
Ash Content 0.5%Max 0.5%Max 0.5%Max 0.5%Max
Tensile Strength -0.5MPa Min -0.5MPa Min -3.5MPa Min -3.0MPa Min
300% Extending Stress -1.5 1.0 MPa 1.0± 1.0 MPa 1.0± 1.0 MPa 2.5± 1.0 MPa
45μ M Sieve Residue 0.10%Max 0.10%Max 0.10%Max 0.10%Max
Hchc011&hchcchemcom/xiaojian001007&126COM
Appearance: Black powder or granular