2904.32.00.00/Technical Grade Ammonium Perfluorooctane Sulfonate 98%/Japan

Technical Grade Ammonium Perfluorooctane Sulfonate 98% from Japan

Technical grade APFOS at 98% purity with minor impurities, still classified as a separate chemically defined organic compound under HTS 2904.32.00.00 per Chapter 29 note (a). Used in industrial wetting agent formulations as a perfluorosulfonate salt.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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Import Tips

• Include assay reports confirming ≥98% purity to avoid reclassification; check for Stockholm Convention restrictions; use UN-approved packaging for corrosive fluorochemicals