Helium-3 Gas from Canada
Helium-3, rare stable isotope used in cryogenics, neutron detection, and quantum computing. HTS 2845.90.0100 covers this as an isotope other than those in heading 2844.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Confirm isotopic ratio documentation; check BIS export controls; store in cryogenic dewars compliant with UN pressure vessel standards