Description

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.

Synonyms:C.I. ****3; Copper brown; Pigment black *5

CAS No.: ********0 EINECS: ********1

Molecular formula: CuO

Molecular weight: *9.*4

Appearance: black powde



Specification:

Electronic grade

Purity: *******************************8% min

Insoluble in acid: *****************0.2%max

Soluble in water: *****************0.1% max

Free moisture: ********************1.0% max

Chlorine (Cl): *********************0.2%max

Sulphate (SO4): ******************0.2%max

Cadmium(Cd): ********************5ppm max

Lead (Pb): ***************************0ppm max

Iron (Fe): *****************************0ppm max

Mercury(Hg): **********************2ppm max

Arsenic (As): ***********************5 ppm max

Chrome (Cr VI): *******************2ppm max

Particles size (**5 mesh): ******0.3% max



Industry grade

Purity: *****************************- *8% min

Insoluble in acid: *****************0.2%max

Soluble in water: *****************0.1% max

Chlorine (Cl): **********************0.2%max

Sulphate (SO4): ******************0.2%max

Particles size (**0 mesh): *****- 0.3% max



Packing: *5kg weaving bag with plastic liner, *0MT/*0'FCL

HS Code: *********0