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.
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.
copper oxide (CuO) %≥
copper (Cu) %≥
insoluble matter in hydrochloric acid %≤
water soluble matter %≤
sulfate (SO4-)% ≤
fineness (200 mesh)%≤
Composite paper bag packaging, composite woven bag lined with one layer of aluminized paper; net weight is 25kg; fine sealing performance.
Store in ventilated and dry warehouse, to avoid moisture; separate with strong acid and food material.