Black or brownish black powder; density: 6.3-6.9g/cm3; melting point: 1326℃; insoluble in water and ethyl alcohol; soluble in acid, ammonium chloride and editpotassium cyanide solution
Uses
Electroplating product is mainly used in electroplating of circuit board. Industrial grade product is mainly used as coloring agent of glass, enamel, ceramics, and raw material of magnetic materials. It is also used in manufacturing of firework, dyes, catalytic agent, other copper salt, well as in artificial silk and electronic industry.
Quality index G/321283GY03-2002
Industrial grade
Item
Index
copper oxide (CuO) %≥
98
copper (Cu) %≥
78.2
insoluble matter in hydrochloric acid %≤
0.2
water soluble matter %≤
0.1
chloride(Cl-) %≤
0.2
sulfate (SO4-)% ≤
0.2
fineness (100 mesh)%≤
1
Packaging
Composite paper bag packaging, composite woven bag lined with one layer of aluminized paper; net weight is 25kg; fine sealing performance
Storage
Store in ventilated and dry warehouse, to avoid moisture; separate with strong acid and food material
