Refinery Copper Filter Cake Scrap from Canada
Filter cake from copper electrolyte purification containing metallic copper <94%, classified as refined copper scrap under HTS 7404.00.30.20. Byproduct of refinery filtration systems removing impurities.
Duty Rate — Canada → United States
0%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Critical moisture analysis required—wet cake undervalues duty; dry to <8% moisture
• Avoid classification as 2613 copper concentrates by proving refinery (not mining) origin
• Bag in anti-corrosive material due to sulfate content