name	Carbon Black N220	Carbon Black N330	Carbon Black N550	Carbon Black N660
Loading Absorption Number(g/Kg)	114-128	77-87	39-47	32-40
Absorption Value of Compressing sample DBP(105m3/kg)	95-105	83-93	83-93	71-79
Adsorptive Specific Surface Area of Nitrogen(103m2/Kg)	114-124	78-88	38-46	32-40
Adsorptive Specific Surface Area of CATB(103m2/Kg)	106-116	77-87	38-46	32-40
Tinting Strength%	110-120	98-108	---	---
Heating Lose	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	-0.5mpa min	-0.5mpa min
300% Extending Stress	-1.5±1.0mpa	-1.0±1.0mpa	-1.0±1.0mpa	-2.5±1.0mpa
45um Sieve Residue	0.10% max	0.10% max	0.10% max	0.10% max
Absorption Value of DBP(105m3/kh)	109-119	97-107	116-126	85-95