Doré Slime with Copper Impurities
Refinery slime from doré processing containing residual copper alongside precious metals, concentrated for recovery. This material is classified under tariff item 2616.90.00 as 'other' precious metal ores and concentrates.
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 slime is considered waste or scrap of precious metals
Waste and scrap of precious metals are classified in heading 71.12.
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 slime is not classified as waste or scrap (heading 71.12)
• Report the precious metal content in kilograms
• Provide a certificate of analysis to CBSA for classification
Related Products under Tariff item 2616.90.00
Bonanza Silver Vein Ore
High-grade silver vein ore from Cobalt, Ontario, containing native silver in quartz-carbonate gangue. This ore is used directly in metallurgical extraction of silver and falls under tariff item 2616.90.00 as an 'other' precious metal ore.
Copper-Bearing Gold Ore Concentrate
A concentrate derived from precious metal ores containing significant copper content, primarily used for gold extraction with copper as a byproduct. It falls under tariff item 2616.90.00 as 'other' precious metal ores and concentrates.
Gold Bearing Quartz Ore
Crushed quartz ore containing visible gold particles and traces of other precious metals, mined primarily for gold extraction. This ore is classified under tariff item 2616.90.00 as 'other' precious metal ores and concentrates, as it does not fit specific subheadings.
Gold-Copper Pyrrhotite Concentrate
Concentrate containing gold values associated with copper-bearing pyrrhotite from polymetallic deposits. This concentrate falls under tariff item 2616.90.00 as 'other' precious metal ores and concentrates.
Gold-Tellurium Ore from Oxidation Zones
Supergene enriched gossan containing native gold and tellurides from oxidation zones. This complex precious metal ore requires specialized metallurgy for extraction and is classified under tariff item 2616.90.00 as 'other' precious metal ores.
Mixed Precious Metal Gravels
Alluvial placer gravels containing fine gold, platinum, and palladium particles, unprocessed and typically screened. These polymetallic precious sediments fall under tariff item 2616.90.00 as 'other' precious metal ores and concentrates.