Black Copper Precipitate from China
Black copper precipitate is a low-grade unrefined copper produced by cementation from copper-bearing solutions, containing impurities like iron and sulfur. It is not suitable for direct use and requires smelting and electrolytic refining, aligning with the tariff item's scope.
Duty Rate — China → Canada
0%
Import Tips
• Provide a detailed chemical analysis to demonstrate it is unrefined copper, not a compound of heading 2825 or 2833
• Confirm the material will undergo smelting and electrolytic refining to justify classification under this item