Enriched Helium-3 Isotope from Japan
Enriched Helium-3 refers to helium with artificially increased He-3 content beyond natural abundance (0.000137%). Classified in HTS 2845.40.00.00 per chapter notes for modified isotopic compositions excluding mono-isotopic natural states. Used in ultra-low temperature physics and quantum computing research.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide isotopic enrichment analysis certificates; comply with EAR licensing for high-purity isotopes; check for dual-use restrictions under Commerce Control List