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  Copper oxide  
Assay/ Grade
Top-grade
First grade
CuO%
99
98
Insoluble matter in HCl %≤
0.05
0.20
water soluble matter %≤
0.01
0.10
Cl - %≤
0.02
0.20
SO42- %≤
0.05
0.20
Fineness
300
300
Packing:25/50kg nylon bag . .

 
     
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