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1.packing: Export-worthy packing, 25KG fiber drum / iron drum
mainly used in the magnetic material, glass, colorant, also used in dyestuff, accelerant, anti
-shrinkage of paint, fireworks.
3.Specification:
| Elements | Standard(%) |
| CuO | = 98 |
| Fe | = 0.1 |
| Cl- | = 0.2 |
| SO42- | = 0.2 |
| CaO | = 0.1 |
| Insoluble matter | = 0.2 |
| Sieved remains(100mesh) | = 1 |
copper oxide
