Protein Filler for Leather Finishing from Mexico
A casein or collagen-based filler compound that plumps and fills leather grain during finishing for uniform thickness. HTS 3809.93.5000 covers such protein preparations for leather industries. Used on corrected grain leathers.
Duty Rate — Mexico → United States
16%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Document biological origin and allergen testing for food-contact leather applications
• Ensure pH buffering specifications match leather processing requirements
• Distinguish from animal glues by proving finishing formulation