Alumina Refinery Spent Pot Lining Residue from China
Carbonaceous residue from electrolytic reduction cells in aluminum smelting, rich in aluminum compounds, fluorides, and cyanides. Falls under HTS 2620.40.00 due to predominant aluminum content and industrial use in metal recovery or chemical manufacturing. Not from iron/steel processes.
Duty Rate — China → United States
12.5%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
Import Tips
• Submit cyanide and fluoride content assays; hazardous waste declarations may require special TSCA notifications
• Label clearly as 'industrial residue for metal recovery' to prevent customs misclassification as hazardous waste