Specification :

Specification: N220, N330, N550, N660, N990, N774, N326, etc.

Properties: Pure black fine grain or powder which can burn in air. Relative density: 1.8? ? 2.1g/ cm3; Solubility: not soluble in water, acid and alkali.
Applications: Widely used in textile, printing and dyeing, ceramic, paper, synthetic detergent, pesticide, metallurgy, food, rubber, etc.

Certificate of Analysis( N220)
Iodine absorption g/ kg: 121± 7
CTAB adsorption surface area m2/ g: 102-120
DBP absorption value cm3/ 100g: 114± 7
DBP absorption value of sample change compaction cm3/ 100g: 90-106
Color intensity % : 108-124
Fine powder content % ; d10
Heating loss % : d2.5
Ash content % : d0.7
Decant density: 355± 40