3913.90.50.00/Sodium Alginate Flakes/Mexico

Sodium Alginate Flakes from Mexico

Sodium alginate, a salt derivative of alginic acid, is provided in primary flake form for textile printing and food thickening applications. Falls under HTS 3913.90.5000 as a modified natural polymer.

Duty Rate — Mexico → United States

16.5%

Rate breakdown

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

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Import Tips

• Certify salt form without esterification for this subheading; test for heavy metals per FDA import alerts; bulk packaging must specify primary form to prevent parts classification