Neutralizing Agent for Leather Tanning from Mexico
A buffered alkaline preparation used post-chrome tanning to adjust pH and lock in tannins for stable leather. Fits HTS 3809.93.5000 as other leather processing chemical. Prevents acid reversion in finished hides.
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
• Include titration curves demonstrating buffering capacity
• Declare all alkaline components for wastewater compliance
• Specify 'post-tanning neutralizer' on shipping documents