Carbon Black

Carbon black Executive Standard : GB3778-2003
Items of Test	N220	N330	N550	N660
Iodine Absorption g/kg	122	83	43	36
DBP Absorption 10^-5m³/kg	144	103	122	92
DBP Absorption of Compressed Sample 10^-5m³/kg	98	88	86	73
CTAB Adsorption Surface Area 10³m²/kg	109	81	42	35
STSA 10³m²/kg	107	75	39	34
Nitrogen Surface Area 10³m²/kg	117	78	39	35
Pigmentation Intensity %	116	105
Heating Loss %≤	1.5	1.5	1.0	1.0
Ash %≤	0.2	0.2	0.2	0.2
Grit Mesh 45# ≤	0.042	0.042	0.042	0.042
Impurity	None	None	None	None
Pumping Density kg/m³	362	388	370	448
300% Elongation Stress Mpa	-2.2	-1.0	-1.0	-0.4
Test Conclusion	First Grade	First Grade	First Grade	First Grade