Thorium Oxide Ceramic Crucible Material
High-purity thorium dioxide powder for fabricating crucibles used in rare earth metal melting. As a thorium compound, it falls under this tariff item.
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:
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 powder is not mixed with other oxides that could change classification
• Provide purity and particle size documentation
• Verify that the material is not radioactive beyond exempt limits
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 UO2 Fuel Kernel for TRISO Particles
Depleted UO2 fuel kernels for TRISO particles serve as the fissile core in high-temperature reactor fuel. As a uranium compound depleted in U235, it falls under this tariff item.
Depleted Uranium Alloy Shielding Blocks
Depleted uranium alloy shielding blocks, such as DU-titanium alloys (e.g., 0.75% Ti), are used for gamma radiation shielding in medical containers due to their high density. As alloys containing depleted uranium, they are classified under tariff item 2844.30.00, which covers alloys, dispersions (including cermets), ceramic products and mixtures containing uranium depleted in U235.
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 Dioxide Powder (UO2)
Depleted uranium dioxide (UO2) powder is a chemically defined compound used as an intermediate in nuclear fuel fabrication. As a uranium compound depleted in U235, it falls under this tariff item.