Thorium Oxide Powder (ThO2) from Mexico
High-purity thorium dioxide powder used in gas mantles and nuclear fuel research. As a compound of thorium, it qualifies under HTS 2844.30.5050 for 'other' forms in this subheading. Chapter 28 covers such inorganic compounds of radioactive elements like thorium.
Duty Rate — Mexico → United States
5%
Rate breakdown
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
• Submit EPA waste manifest if contaminated; declare exact thorium content for DOT hazmat shipping; verify no organic stabilizers to avoid Chapter 29 reclassification