1.General Information: 1. CAS No.:1333-86-4 2. Appearance: Black -powder or granular 3. Einecs No.: 215-609-9 4. Formula: C 5. Melting point: 3550 degree 6. Boiling point: 500-600 degree 7. Molecular Weight: 12.01 2.Specification: 1>. N550:

ITEM	SPECIFICATION
Absorption Number, g/Kg	98-103
Color intensity, %	93-98
Fine powder content, % Max.	10
Nitrogen adsorption surface area	95-102
Heating loss, % Max.	2.5
DBP absorption value	90-104

2>. N660:

ITEM	SPECIFICATION
Absorption number	36-6
CTAB adsorption surface area	29-43
DBP absorption value	90-7
DBP absorption value of sample change compaction	66-82
Fine powder content, % Max.	10
Heating loss, % Max.	1.5
Ash content, % Max.	0.5
Decant density	440-40
325 mesh Residue on sieve, % Max.	0.10
100 mesh Residue on sieve, % Max.	0.02
Nitrogen adsorption surface area	29-41
MPa 300 modulus	-2.6-1.6

3.Usage: It has small particle size, high black degree, good color strengthen, is the high class painting material , mainly used to make high class mimeograph ink painting, polishing painting and coating material