SX-EW Cement Copper Sludge from Canada
Precipitated copper sludge from solvent extraction-electrowinning (SX-EW) plant bleed streams, recovered via cementation. Falls under HTS 7401.00.00.00 as cement copper from hydrometallurgical operations.
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
• Include SX-EW plant process description and recovery circuit diagrams
• Test for organic solvent residues which may trigger hazardous waste regulations
• Beware of misdeclaration as copper hydroxide precipitates under 2825