Synthetic Naphthalene Sulfonic Acid Tanning Agent from Germany
This synthetic organic tanning substance based on naphthalene sulfonic acid provides retannage and fatliquoring in leather processing. It qualifies for HTS 3202.90.50.00 as other synthetic organic tanning preparations.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide formulation details showing tanning functionality to distinguish from general sulfonated organics
• Test for biodegradability compliance with wastewater regulations
• Avoid bulk packaging that could lead to classification as industrial chemicals