Digénite Copper Sulfide Concentrate from United States
Digenite is a secondary copper sulfide mineral (Cu9S5) that forms concentrates through supergene enrichment, yielding 45-55% copper for smelter feed. It is separated from chalcopyrite by flotation and is classified under this tariff item as a copper concentrate.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the concentrate is not a copper matte, which is excluded by chapter note 1(g)
• Report the copper content accurately in kilograms
• Confirm the concentrate is intended for metallurgical extraction