Promethium-147 Ceramic Dispersion from Japan
Promethium-147 dispersed in ceramic matrix for beta batteries and thickness gauges, under 2844.43.0028 as dispersion containing radioactive isotope (atomic no. 61). Specific activity >74 Bq/g.
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
• Certify as LSA-I (low specific activity); perform 100% leak testing per ANSI N13.4; maintain 10-year sealed source registry