Helium-3 Gas from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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