Casein for Leather Finishing from Mexico
Casein emulsion used in leather surface finishing for durability, classified as other under HTS 3501.10.5000. Enhances water resistance without tanning.
Duty Rate — Mexico → United States
10%
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
• Specify post-tanning use to avoid Chapter 32 enzymatic preps
• Test for heavy metal contaminants in leather applications
• Use stabilized emulsions to prevent separation in shipping