
Copper concentrate is the intermediate product of flotation processing, sold to smelters on assay-based contracts. We source concentrate from regional producers for shipment in bulk through Dar es Salaam.
Assay, moisture, and penalty-element levels (As, Pb, Sb, Zn and others) are confirmed per contract and verified by an independent CoA prior to shipment.
Specifications
Indicative specification
| Copper content (Cu) | 20–30% typical (assay per contract) |
|---|---|
| Moisture | 8–10% max, typical |
| Penalty elements | As, Pb, Sb, Zn per smelter terms and contract |
| Form | Bulk / dry bulk cargo |
- Copper content (Cu)
- 20–30% typical (assay per contract)
- Moisture
- 8–10% max, typical
- Penalty elements
- As, Pb, Sb, Zn per smelter terms and contract
- Form
- Bulk / dry bulk cargo
Specifications above are indicative, per standard published industry references. Exact figures for each shipment are confirmed in the sales contract and accompanying Certificate of Analysis (CoA).
Packaging
- Bulk loaded in vessel hold, or
- Bulk bags (jumbo bags) for containerised shipment on request
Minimum order quantity
Minimum lot typically 1,000 MT bulk; smaller containerised lots negotiable
Incoterms quoted
- FOB Dar es Salaam
- CIF
Documentation
- Certificate of Analysis (CoA) / Assay Certificate
- Certificate of Origin (CoO)
- SGS or mutually agreed inspection report
- Bill of Lading, Packing List, Commercial Invoice


Mineral Trading

