Leaching Residue Ash with 12% Copper from Mexico
Ash byproduct from hydrometallurgical leaching of copper ores, assaying 12% copper content mainly as metallic copper and sulfates. Falls under 2620.30.0010 for copper-bearing residues used in chemical compound production or metal extraction.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Submit lab assays for exact copper quantification to meet statistical reporting without deductions
• Confirm non-municipal waste origin via process certificates to comply with 2620 chapter restrictions
• Label clearly as industrial residue to prevent customs confusion with finished copper products