Coltan Synthetic Concentrate Blend
A synthetic coltan concentrate that mimics natural tantalite-columbite, enriched with tantalum and niobium oxides through hydrometallurgical synthesis. It is used as feedstock for extracting tantalum and niobium metals, falling under tariff item 2615.90.00 as an 'other' ore concentrate of niobium or tantalum.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the product is a chemical compound rather than an ore concentrate
Oxides of tantalum or niobium may be classified as inorganic chemicals if not in ore form.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Ensure the concentrate is not processed beyond normal metallurgical steps, as per Chapter 26 Note 2, to stay classified under this item
• Declare the metal content (Ta2O5 and Nb2O5) in kilograms, as required by statistical note 1
• Have a certificate of analysis ready to support the synthetic origin and composition
Related Products under Tariff item 2615.90.00
Aeschynite Niobium Concentrate
An aeschynite niobium concentrate, a rare earth niobate mineral from granitic pegmatites, used in specialty alloy production. It is classified under 2615.90.00 as a niobium ore concentrate, with the metal content reported per statistical note.
Australian Windimurra Vanadium Ore
Australian Windimurra vanadium ore features vanadiferous magnetite with high-grade V2O5 content, exported as crushed and screened material. It is used for vanadium extraction in steel alloys. This product falls under tariff item 2615.90.00 as a vanadium ore.
Brazilian Vanadium-Bearing Shale Concentrate
Brazilian vanadium-bearing shale concentrate is enriched for vanadium through leaching and precipitation, supplying vanadium for catalysts and pigments. It is used for vanadium extraction. This product falls under tariff item 2615.90.00 as a vanadium concentrate.
Canadian Lac Doré Vanadium Ore Concentrate
Canadian Lac Doré vanadium ore concentrate from Quebec features layered mafic intrusions with high-purity vanadium content. It is used for clean ferrovanadium production. This product falls under tariff item 2615.90.00 as a vanadium ore concentrate.
Chilean Vanadium Concentrate from Copper Byproduct
Chilean vanadium concentrate recovered as a byproduct from copper mining contains elevated V content after flotation. It is used in specialty steel and alloys. This product falls under tariff item 2615.90.00 as a vanadium concentrate.
Coltan Ore (Tantalite)
Coltan ore, primarily tantalite, is a natural mineral deposit containing tantalum niobate, extracted from alluvial or hard-rock mining. It is used for tantalum extraction in electronics and capacitors. This product falls under tariff item 2615.90.00 as a tantalum ore concentrate.