</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →
2826.90.10.00/Sodium Silicofluoride for Water Fluoridation/Mexico

Sodium Silicofluoride for Water Fluoridation from Mexico

Granular Na2SiF6 specifically formulated for municipal drinking water fluoridation systems. Falls under HTS 2826.90.1000 as sodium fluorosilicate, chemically defined per subheading note without Chapter 31 exclusions.

Duty Rate — Mexico → United States

14.1%

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

• Secure NSF/ANSI 60 certification for potable use; declare exact fluorine content; comply with Safe Drinking Water Act filings