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Chlorosulfuric Acid Anhydride for Polymer Processing from Mexico

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 — Mexico → United States

14.2%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

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

Chlorosulfuric Acid Anhydride for Polymer Processing from Mexico — Import Duty Rate | HTS 2806.20.00.00