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2845.90.01.00/Krypton-86 Gas Standard/Mexico

Krypton-86 Gas Standard from Mexico

Krypton-86 isotopic gas used as wavelength standard in laser metrology and spectroscopy. Falls under HTS 2845.90.0100 for other non-2844 isotopes.

Duty Rate — Mexico → United States

10%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Provide spectroscopic purity certificate; use specialty gas cylinders with valves; declare as calibration standard to avoid chemical classification