</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →
3913.10.00.00/Potassium Alginate Flakes/Mexico

Potassium Alginate Flakes from Mexico

Potassium alginate, a salt of alginic acid, provided in flake form from Ascophyllum nodosum seaweed for industrial thickening. Falls under HTS 3913.10.00.00 as an alginic salt in primary form. Applied in printing pastes and reactive dye systems.

Duty Rate — Mexico → United States

14.2%

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

• Document potassium content and viscosity grade; ensure no synthetic additives

• Pitfall: retail packaging may trigger consumer goods classification