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%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
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