Refinery Copper Filter Cake Scrap from China
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 — China → United States
25%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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