Research Grade Neon Isotope from China
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 — China → United States
28.7%
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)
9903.05.860%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