Californium-253 Metal Target from Japan
Californium-253 metal is a high-specific-activity neutron source material shaped as a target for research reactors and calibration standards. HTS 2844.42.00.00 covers this pure metallic form of listed Californium-253 isotope. Its extreme neutron emission requires specialized encapsulation.
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
• Secure DOE fundamental research determination; provide neutron flux measurements
• Use doubly encapsulated sources in Type B(M) packages; document pressure/temperature tests