Helium-3 Gas from Canada
Helium-3 is a rare stable isotope of helium used primarily in cryogenic research and neutron detection. It falls under HTS 2845.40.00.00 as a non-radioactive isotope distinct from those in heading 2844. This chemically defined isotope is typically supplied in gaseous form for scientific applications.
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
• Obtain end-use certificates for research or detection applications to comply with export controls; ensure proper labeling as a stable isotope; verify supplier purity documentation to avoid misclassification as common helium