Carbonaceous Gold Ore Concentrate from Mexico
Ore concentrate with gold associated in carbonaceous material, requiring preg-robbing prevention in cyanidation. Classified in HTS 2616.90.00.40 based on gold content as other precious metal ores. Used in specialized CIL/CIP gold recovery plants.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Disclose carbon content in documentation as it affects recovery process declarations
• Use sealed containers to maintain ore integrity for assay verification
• Confirm buyer has carbon-in-leach processing capabilities