Enriched Helium-3 Isotope from United States
> Enriched Helium-3 is helium gas with an artificially increased concentration of the helium-3 isotope beyond its natural abundance. It is classified under tariff item 2845.40.00 as a non-radioactive isotope of helium, distinct from radioactive isotopes of heading 28.44. The enrichment process modifies the isotopic composition, making it a separate chemically defined isotope.
Duty Rate — United States → Canada
Import Tips
• > Ensure the product is accompanied by a certificate of analysis confirming isotopic enrichment and purity, as CBSA may request it for verification
• Declare the correct 8-digit tariff item 2845.40.00 and be aware that a valid import permit may be required for controlled isotopes
• Keep records of the supplier's technical data sheet for customs clearance