Precious Metal Smelting Lead Flux Residue from Canada
Residue from lead flux used in precious metal smelting, containing mainly lead with gold for further recovery. HTS 2620.29.0050 covers such non-steel slag per chapter notes on industrial metal/compound manufacture.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include process flow documentation proving industrial use; assay gold without deductions
• Comply with TSCA for chemical residues
• Differentiate from cement additives to prevent 2523 misclassification