Cement Copper Precipitate from Mexico
Cement copper is precipitated elemental copper recovered from low-grade leach solutions using scrap iron in cementation process. Classified under HTS 7401.00.00.00 as precipitated copper, typically 50-80% pure, used as feed for further refining.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Provide laboratory assays showing precipitation method and copper purity to distinguish from ore concentrates
• Include scrap iron source documentation; watch for misclassification as copper scrap under 7404
• Declare moisture content accurately as it affects customs value calculations