Helium-3 Research Gas
Helium-3 research gas is an isotopically separated rare gas used in neutron detection and low-temperature physics. Although helium has a specific subheading, helium-3 is classified under 'other' rare gases because it is an isotope not covered by the standard helium subheading.
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 isotopic purity and non-radioactive nature to avoid heading 28.44
• Provide documentation of the isotope's intended use for research
• Ensure compliance with Canadian nuclear safety regulations if any radioactivity is present
Related Products under Tariff item 2804.29.00
Argon-38 Calibration Gas
Argon-38 calibration gas is a stable isotope of argon, a rare gas, mixed at trace levels in a 1-liter cylinder for mass spectrometry calibration. It qualifies as a separate chemical element under Chapter 28, as it is not a radioactive isotope and falls under the 'other' rare gases category.
Argon Gas for Welding
High-purity argon gas for welding is a rare gas in elemental form, used as an inert shielding atmosphere in MIG/TIG welding. It falls under tariff item 2804.29.00 as 'other' rare gases, distinct from hydrogen and helium.
Helium for Airship Inflation
Aviation-grade helium for airship inflation is a rare gas in elemental form, used for lift. It falls under tariff item 2804.29.00 as 'other' rare gases, as helium is not separately classified in this subheading.
Helium Gas Cylinder
Compressed helium gas for balloons and industrial use is a rare gas in elemental form. It falls under tariff item 2804.29.00 as 'other' rare gases, distinct from hydrogen.
Helium Neon Laser Gas Mixture
Helium-neon laser gas mixture is a mixture of rare gases, with helium as the primary component. It falls under tariff item 2804.29.00 as 'other' rare gases, provided the mixture is not classified elsewhere.
High-Purity Helium for MRI Machines
Ultra-pure helium for MRI machines is a rare gas in elemental form, used for cooling superconducting magnets. It falls under tariff item 2804.29.00 as 'other' rare gases.