3913.90.50.00/Casein Modified Powder/Mexico

Casein Modified Powder from Mexico

Chemically hardened casein protein, derived from milk, in primary powder form for industrial coatings and adhesives. Classified under HTS 3913.90.5000 as hardened proteins, a modified natural polymer.

Duty Rate — Mexico → United States

6.5%

Rate breakdown

9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter

Calculate with your customs value Verify classification with AI

Import Tips

• Document hardening process (e.g

• formaldehyde treatment) to justify classification; ensure dairy origin certification for USDA compliance; avoid food-grade labeling unless qualified