Chlorosulfuric Acid Anhydride for Polymer Processing from Germany
Anhydrous chlorosulfuric acid used to chlorosulfonate polymers like polyethylene for ion-exchange resins and membranes. Classified in HTS 2806.20.00.00 as the pure inorganic acid essential for surface modification reactions. Bulk liquid for chemical engineering applications.
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
• Specify anhydrous grade (<0.1% water) in documentation to maintain classification; use nitrogen blanketing during import storage; verify compatibility with polymer processing equipment materials