Research Grade Neon Isotope from Japan
Enriched neon-20 isotope gas for nuclear physics research, still classified as neon under HTS 2804.29.0020 unless radioactive (which falls to 2844).
Duty Rate — Japan → United States
3.7%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Stable isotopes don't need NRC license, but declare enrichment level accurately
• University importers use duty-free provisions under HTSUS Chapter 98 for research
• Radioactive neon isotopes (>74 Bq/g) strictly go to 2844 per Chapter note 4