High-Purity Boron Carbide for Nuclear Applications from Mexico
Ultra-high purity boron carbide specifically for neutron absorption in nuclear reactors. Falls under HTS 2849.90.10.00 as chemically defined boron carbide compound, distinguished by isotopic purity.
Duty Rate — Mexico → United States
13.7%
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 end-user certificates due to nuclear applications; may require NRC or DOE authorization
• Specify boron-10 isotope enrichment levels in documentation to prevent reclassification
• Package in sealed containers to maintain purity; contamination leads to 3824 classification