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%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Include titration curves demonstrating buffering capacity
• Declare all alkaline components for wastewater compliance
• Specify 'post-tanning neutralizer' on shipping documents