Promethium-147 Ceramic Dispersion from China
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 — China → United States
25%
Rate breakdown
9903.91.0125%Effective with respect to entries on or after September 27, 2024, articles the product of China, as provided for in subdivision (b) of U.S. note 31 to this subchapter
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 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