High-Purity Boron Carbide for Nuclear Applications from China
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 — China → United States
41.2%
Rate breakdown
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
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