Neutralizing Agent for Leather Tanning from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, 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