Protein Filler for Leather Finishing from Japan
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 — Japan → United States
16%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 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