Boron-10 Enriched Boron Nitride Powder from Mexico
BN powder with high boron-10 content, used in high-temperature ceramics and neutron detectors. Classified in HTS 2845.20.00.00 as an inorganic compound of isotopically enriched boron. Differs from standard BN by isotopic specification per Chapter notes.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Certify particle size and isotope ratio; often requires radiation monitoring during shipment
• End-use declaration critical for nuclear/non-proliferation controls