Tungsten Ore Roasting Residue
Residue from roasting tungsten-bearing ores, primarily composed of tungsten oxides and compounds. This material is classified under tariff item 2620.99.00 as a non-ferrous residue containing metals for industrial use, not excluded by Chapter 26 notes.
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 |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the residue is from iron or steel manufacture
Residues from iron/steel production are excluded from this heading.
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
• Provide tungsten assay to CBSA for classification
• Confirm the residue is not from iron or steel production
• Verify if the material meets Canadian environmental import standards
Related Products under Tariff item 2620.99.00
Cemented Tungsten Residue
Residue from cemented tungsten carbide grinding operations, predominantly composed of tungsten compounds. This material falls under tariff item 2620.99.00 as a non-ferrous residue containing metals for industrial recovery, not excluded by Chapter 26 notes.
Hard Metal Alloy Slag
Slag from melting hard metal alloys where tungsten is the dominant component, used in tooling industries. This slag is classified under tariff item 2620.99.00 as a non-ferrous slag containing metals for industrial extraction, not excluded by Chapter 26 notes.
Industrial Vanadium Slag from Phosphate Processing
Industrial vanadium slag generated as a byproduct of wet-process phosphoric acid production, containing vanadium impurities suitable for industrial metal extraction. This material falls under tariff item 2620.99.00 as it is a non-ferrous slag containing metals, not excluded by Chapter 26 notes.
Spent Catalyst Slag High in Vanadium
Slag derived from spent catalysts used in oil refining, with vanadium content exceeding 5%, suitable for vanadium recovery. This residue is classified under tariff item 2620.99.00 as it is a non-ferrous slag containing metals for industrial extraction, not excluded by Chapter 26 notes.
Spent Tungsten Catalyst Residue
Residue from deactivated petroleum catalysts containing primarily tungsten oxides. This material falls under tariff item 2620.99.00 as a non-ferrous residue containing metals for industrial tungsten recovery, not excluded by Chapter 26 notes.
Tungsten Alloy Furnace Slag
Furnace slag from producing tungsten-heavy alloys for aerospace applications, mainly composed of tungsten. This slag is classified under tariff item 2620.99.00 as a non-ferrous slag containing metals for industrial use, not excluded by Chapter 26 notes.