Refractory Gold Ore Concentrate from Canada
Concentrate from refractory gold ores requiring high-pressure oxidation or bioleaching for gold recovery due to encapsulation in sulfides. Falls under HTS 2616.90.00.40 for its gold content in precious metal ores category. Primarily imported for advanced refining processes.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Submit third-party assay certificates specifying gold content to prevent undervaluation disputes
• Declare processing method in entry docs as refractory ores have specific handling requirements
• Verify importer has proper permits for hazardous sulfide content