Zinc Refinery Slag Residue from United States
Zinc refinery slag residue is a by-product from zinc refining processes with arsenic and metal impurities, used as a basis for metal extraction. It is a residue containing metals and arsenic, used for extraction or chemical compound manufacture, as covered by heading 26.20. The slag is unadvanced and untreated, with zinc content under 2%, so it falls under 2620.99.00.
Duty Rate — United States → Canada
0%
Import Tips
• Confirm the zinc content is below 2% to avoid classification under subheadings for zinc residues
• Provide a certificate of analysis showing arsenic and metal content for tariff classification
• Ensure proper documentation for transport of dangerous goods if arsenic is present