Thorium Dioxide Powder
Thorium dioxide powder (ThO2), also known as thoria, is a high-purity thorium compound used in gas mantles and high-temperature ceramics. It is classified under this tariff item as a thorium oxide compound.
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 thorium is not depleted and contains natural isotopic composition
Natural thorium compounds fall under the heading for natural uranium and its compounds.
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
• Ensure the powder is properly packaged for radioactive material transport
• Provide a certificate of analysis confirming the ThO2 purity
• Check if a Canadian Nuclear Safety Commission import licence is required
Related Products under Tariff item 2844.30.00
Ammonium Thorium Fluoride
Ammonium thorium fluoride (NH4ThF5) is an intermediate used in thorium purification. It is classified under this tariff item as a thorium compound.
Depleted Thorium Metal Powder
Depleted thorium metal powder is a powdered form of thorium metal that has been depleted of short-lived isotopes. It is used in alloy research and falls under this tariff item as a thorium compound or element.
Depleted Uranium Dioxide Powder
Depleted uranium dioxide powder (UO2) is a chemically defined compound of uranium depleted in U235, used in nuclear fuel fabrication and radiation shielding. It is classified under this tariff item as a compound of depleted uranium.
Depleted Uranium Metal Ingots
Depleted uranium metal ingots are cast ingots of depleted uranium metal (DU <0.711% U235) used for machining into shielding or counterweights. They fall under this tariff item as a compound of depleted uranium.
Depleted Uranium Silicide Powder
Depleted uranium silicide powder (U3Si2) is used for advanced nuclear fuel research. It is classified under this tariff item as a uranium compound of depleted uranium.
Depleted Uranium Tetrafluoride Powder
Depleted uranium tetrafluoride powder (UF4) is a green salt powder intermediate in uranium processing, depleted in U235. It is classified under this tariff item as a uranium compound.