Electrowinning Silver Dore Bars from Canada
Dore bars from electrowinning cells in silver heap leach operations, impure with 80% Ag and 15% Au. Unwrought form under HTS 7106.91.10.20 due to silver predominance and lack of full refinement. Used by mints and refiners.
Duty Rate — Canada → United States
0%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Include process flow diagrams in entry docs to verify electrowinning origin
• Separate cathode dore from anode slimes to avoid 7112 classification
• Beware FTZ procedures for refiners – must exit as classified product