Tenorite Copper Oxide Ore from Mexico
Tenorite is a black copper oxide mineral (CuO) from supergene enrichment, processed into concentrates for leaching with 40-60% copper grades. It is used in SX-EW copper production and falls under this tariff item as a copper ore. The copper content is reported per statistical note 1.
Duty Rate — Mexico → Canada
0%
Import Tips
• Ensure the ore is not mixed with materials that would change its classification
• Provide an assay report showing copper content
• Confirm the ore is intended for metallurgical extraction, per chapter note 2