Boron-10 Enriched Boron Oxide Powder from Japan
B2O3 powder with boron enriched in the boron-10 isotope, used in specialized glass manufacturing and neutron shielding. Classified under HTS 2845.20.00.00 because it is a compound of isotopically enriched boron per Chapter 28 notes on isotopes. Purity levels are documented for nuclear and research applications.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
Import Tips
• Declare exact isotopic ratio and total activity; subject to EAR controls under ECCN 1C239 for nuclear materials
• Use IAEA safeguards documentation if sourced internationally to comply with non-proliferation rules