Promethium-147 Ceramic Dispersion from Canada
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 — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Certify as LSA-I (low specific activity); perform 100% leak testing per ANSI N13.4; maintain 10-year sealed source registry