Lithium-6 Enriched Lithium Carbonate Powder from Mexico
Fine powder of lithium carbonate (Li2CO3) enriched in lithium-6 isotope for use in neutron shielding and fusion fuel precursors. Classified in HTS 2845.30.00.00 as a compound of Li-6 enriched lithium, per chapter notes on isotopes. Not standard lithium carbonate of heading 2836.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Ensure packaging prevents CO2 absorption; submit DOE Form 841 for nuclear material imports
• Avoid misdeclaration as regular carbonate to prevent duty adjustments