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
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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