High-Purity Helium for MRI Machines from Japan
Ultra-pure helium (99.999%) supplied in cryogenic dewars for cooling superconducting magnets in medical MRI scanners. Falls under HTS 2804.29.0010 as a chemically defined rare gas used in its elemental gaseous state.
Duty Rate — Japan → United States
3.7%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Include NIST-traceable purity certificates; medical-grade requires GMP compliance documentation
• Cryogenic containers need UN certification; declare as 'helium, refrigerated liquid' if applicable