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%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Confirm isotopic ratio documentation; check BIS export controls; store in cryogenic dewars compliant with UN pressure vessel standards