2804.29.00.30/Neon-20 Isotopically Pure Gas/Mexico

Neon-20 Isotopically Pure Gas from Mexico

Neon-20 (Ne-20) enriched to greater than 99% isotopic purity by volume, classified in HTS 2804.29.0030 as isotopically pure rare gases. Used in precision mass spectrometry and nuclear physics experiments.

Duty Rate — Mexico → United States

3.7%

Rate breakdown

9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
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Import Tips

• Submit third-party lab analysis proving Ne-20 >99% purity during customs entry

• Use UN-approved gas cylinders; include pressure test certificates in documentation

• Distinguish from lighting neon (2804.40) by declaring scientific/research end-use

Neon-20 Isotopically Pure Gas from Mexico — Import Duty Rate | HTS 2804.29.00.30