Calcined Alumina Waste Ash from China
Calcined alumina waste ash is the residue left after high-temperature calcination of alumina, containing residual aluminum compounds and trace arsenic from ore impurities. It is classified under this tariff item as a slag, ash or residue containing mainly aluminum, used in industrial processes for metal recovery or chemical compound manufacture.
Duty Rate — China → Canada
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No agency flag on this HTS number in the CBSA Single Window matching criteria.
CBSA Single Window matching criteria, unknown
Import Tips
• Ensure the ash is not from iron or steel manufacturing, as that would fall under a different chapter
• Provide a certificate of analysis showing aluminum content and arsenic traces to support classification
• Check if the ash qualifies for duty relief under the Customs Tariff's industrial benefits programs