Helium-3 Neutron Detector Fill Gas from Japan
> Helium-3 neutron detector fill gas is high-purity helium-3 gas filled into detector tubes for thermal neutron detection. It is classified as the isotope itself under tariff item 2845.40.00, not as a finished detector. The isotope's neutron absorption properties make it essential for security and research applications.
Duty Rate — Japan → Canada
0%
Import Tips
• > Ensure the gas is supplied in approved cylinders and accompanied by a certificate of analysis
• Declare the product as helium-3 isotope, not as a detector, to avoid misclassification
• Check if the isotope is subject to import controls and obtain necessary permits