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7401.00.00.00/Bioleach Cement Copper/Japan

Bioleach Cement Copper from Japan

Copper precipitated from bio-oxidation heap leach solutions using bacterial pre-treatment. Advanced hydrometallurgical cement copper under HTS 7401.00.00.00.

Duty Rate — Japan → United States

0%

Rate breakdown

9903.05.860%Universal product exemption (U.S. note 52(b))
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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