Tennantite Copper Ore Concentrate from United States
Tennantite is a copper arsenic sulfosalt mineral that yields concentrates with 40-50% copper after selective flotation. It is prevalent in porphyry copper deposits and falls under this tariff item as a copper concentrate. The copper content is reported per statistical note 1.
Duty Rate — United States → Canada
0%
Import Tips
• Be aware that arsenic content may trigger additional environmental or health regulations
• Provide a detailed assay showing copper and arsenic content
• Ensure the concentrate is intended for metallurgical extraction