Bioleach Cement Copper from China
Cement copper precipitated from bio-oxidation heap leach solutions using bacterial pre-treatment. This hydrometallurgical product is classified as cement copper under tariff item 7401.00.00, which includes precipitated copper recovered from leach solutions.
Duty Rate — China → Canada
0%
Import Tips
• Document the production process and copper content (typically 50-80%) for CBSA classification
• If the cement copper contains significant impurities, verify whether it meets the definition of cement copper under heading 7401
• Consider sampling and assaying at a Canadian customs laboratory if there is any doubt about classification