Lithium-6 Enriched Lithium Metal from Mexico
High-purity lithium metal with isotopic enrichment in lithium-6 (>7.5% Li-6 content), supplied as ingots or rods for nuclear applications. Classified under HTS 2845.30.00.00 as it is lithium enriched in lithium-6, distinct from natural lithium (7.5% Li-6) or other isotopes. Excludes natural lithium or compounds not specifically enriched.
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
• Obtain certificate of isotopic analysis from supplier to verify Li-6 enrichment; comply with NRC regulations for radioactive materials handling
• Declare exact enrichment percentage to avoid reclassification as natural lithium