</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →
2826.19.10.00/Neutral Ammonium Fluoride/Mexico

Neutral Ammonium Fluoride from Mexico

Neutral ammonium fluoride (pure NH4F anhydrous) for specialty etching and doping. Falls in HTS 2826.19.1000 as other ammonium fluorides. Excludes doped forms per chapter note on electronics.

Duty Rate — Mexico → United States

13.1%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Calculate with your customs valueVerify classification with AI

Import Tips

• Undoped certification critical; wafers go to 3818