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                                                                 copper oxideCAS: 1344-70-3MF: CuOMW: 79.55EINECS: 215-269-1

widely used in glass, ceramics, enamel, paint industry

Status:                                                                                                                                      

black or brownish black powder,insoluble in water And ethanol, soluble in acid, liquid ammonium chloride andpotassium cyanide.

Usage:                                                                                                                                      

Mainly applies to electric plating ,magnetic material, enamel coloring, ceramics pigment and copper salt.                        

                               

 Application:                                                                                                                              

widely used in glass,pigment,desulfurizer,catalyst,etc

Packing: 

net 25kg in plastic woven bag,or according to requirement.

Characters                                                                                                                                  :

        Copper oxide is black to brown amorphous powder or crystalline particles (monoclinic crystals). Relative density 6.315, melting point 1446 °C, Mohs hardness 3-4, dielectric constant 18.10, insoluble in water, soluble in acid, ammonia, ammonium chloride, dissolved in sodium hydroxide to produce blue color solution, which leads to hydrogen or carbon monoxide at high temperature can be reduced to metallic copper.    

Item	Standard I	Standard II
CuO , % ≥	99	98
Muriatic acid insoluble substance ≤ ,%	0.05	0.20
Cl , % ≤	0.02	0.20
SO 4 , % ≤	0.05	0.20
water-insoluble , % ≤	0.01	0.10
Residue on sieve (150um ) ≤ ,%		0.10
Residue on sieve (300um ) ,≤ %	0.10

Copper Oxide black