Helium-3 Polarized Gas from Japan
Spin-polarized Helium-3 gas used in neutron polarizers and MRI lung imaging research. Classifies as the isotope under HTS 2845.40.00.00 despite polarization, as it's chemically the same compound. Produced via optical pumping techniques.
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
• Ship in polarized state maintaining glass cells; declare polarization method and half-life; comply with medical device regs if for human use