Thallium Impurity Removal Ash from Glass Production
This ash is generated during the removal of thallium impurities in optical glass manufacturing and is intended for thallium recovery. It is classified under tariff item 2620.60.00 as a chemical process residue containing thallium, of a kind used for the extraction of thallium or for the manufacture of its chemical compounds, per Chapter 26 note 3.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the ash is not used for metal extraction or chemical compound manufacture
Other ash and residues not elsewhere specified may apply if the end-use criterion is not met.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Confirm the ash is not a slag or similar industrial waste prepared as macadam (excluded by Chapter 26 note 1(a))
• The unit of measure is kilograms of thallium content, so declare accordingly
• Check if the ash requires an import permit under Canada's hazardous waste regulations
Related Products under Tariff item 2620.60.00
Arsenic-Antimony Flotation Tailings
Arsenic-antimony flotation tailings are tailings from antimony ore flotation containing arsenic, used in joint extraction plants for both metals. This material is a residue containing arsenic, of a kind used for the extraction of arsenic or the manufacture of its chemical compounds, fitting tariff item 2620.60.00. It is not from iron or steel manufacture and is destined for industrial metal recovery.
Arsenic-Bearing Copper Smelter Slag
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