Bioleach Cement Copper from Mexico
Copper precipitated from bio-oxidation heap leach solutions using bacterial pre-treatment. Advanced hydrometallurgical cement copper under HTS 7401.00.00.00.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Document bioleach bacterial strains and oxidation-reduction potential data
• Organic residues from bacterial action may require special cleaning
• Lower iron content vs. chemical leaching; verify precipitation efficiency