Alumina Refinery Spent Pot Lining Residue from Canada
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 — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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