Specification :

Appearance: Black powder
Specification: Industry grade
Purity: 98.0% Min
Ni: 0.1% Max
Pb: 0.045% Max
Fe: 0.2% Max
Cl: 0.05% Max
SO4: 0.1% Max
Insoluble in Hcl: 0.1% Max
Usage: Mainly used for electroplating of electricity plate and the production of stainer for glass, ceramic and porcelain. Also, for the production of fireworks, dyes catalysts, lacquer based desulfurizing agent and other nantokites.