Purchasing Copper Ore
1. Purchasing Categories: Copper Concentrates, Copper Sulfide Ores, Copper Oxide Ores and Copper Bulk Concentrates.
2. Trial Orders Quantity: Three Containers.
3. Quality Standard Indication for Copper Ores.
(Please inform the content of the following elements)
| Grade |
Cu(min)% |
Impurity (max)% ≤ |
As |
Pb + Zn |
Mg |
Bi |
Grade 1 |
30 |
0.05 |
2 |
1 |
0.05 |
Grade 2 |
25 |
0.20 |
5 |
3 |
0.20 |
Grade 3 |
20 |
0.30 |
8 |
4 |
0.30 |
Grade 4 |
13 |
0.40 |
12 |
5 |
0.50 |
Notice: The analysis index for gold, silver and sulfur in copper concentrates should be informed and the particle size should be marked. |
This standard is applied to the copper concentrates products getting from mineral processing and used for copper smelting.
(1) The moisture content in the concentrates should be less than 14%,
and also less than 8% during heating-period.
(2) Other impurities should not be mixed into the concentrates.
(3) Packing: The concentrates most have been delivered by bulk transport and small quantity can be packed. The same grade can be classified as one lot.
4.Inspection Method: The inspection carried out by SGS at the port of discharge should be final for both parties.
Moreover, the five necessary items (lead, fluorine, arsenic, mercury and radioactivity) should pass the inspection of China Customs.
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