Uranium-232 Metal Foil from Japan
Uranium-232 metal foil serves as calibration source for high-energy gamma spectroscopy due to intense daughter emissions. Pure metallic form of listed Uranium-232 classifies under HTS 2844.42.00.00. Thin foil encapsulation standard.
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
• Metrology lab certification preferred; provide emission line verification
• Foil handling requires thoriated daughter management protocols
• Specify encapsulation matrix; avoid vacuum packaging errors