|
Type
Index |
Premium Grade
|
First Grade
|
|
CuO( Content ) % min.
|
99
|
98
|
|
Insoluble matter in Hcl % max.
|
0.050
|
0.200
|
|
Water soluble matter % max.
|
0.010
|
0.100
|
|
Cl- % max.
|
0.020
|
0.200
|
|
SO4 % max
|
0.050
|
0.200
|
|
Fineness
|
-300 mess
|
-150 mess
|
|
Usage
|
Mainly used in the magnetic material, glass、colorant，also used in dyestuff, accelerant, anti shrinkage of paint,fireworks.
|
|
|
Packing
|
50kg in metal pail lined with plastic bag.
|
|
