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%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
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