copper oxide

Synonyms:C.I. 77403; Copper brown; Pigment black 15 CAS No.: 1317-38-0 EINECS: 215-269-1
Molecular formula: CuO Molecular weight: 79.54
Appearance: black powde
Specification:
Electronic grade
Purity: 98% 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): 100ppm max
Iron (Fe):500ppm max
Mercury(Hg):2ppm max
Arsenic (As): 5 ppm max
Chrome (Cr Ⅵ):2ppm max
Particles size (325 mesh): 0.3% max

Industry grade
Purity: 98% 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 (100 mesh): 0.3% max

Application: 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.
Packing: 25kg weaving bag with plastic liner, 20MT/20'FCL
HS Code: 2825500000