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2833.40.60.20/Ammonium Persulfate Flakes/Japan

Ammonium Persulfate Flakes from Japan

Flake form of ammonium persulfate for convenient handling in water treatment and wastewater oxidation processes. Falls under HTS 2833.40.60.20 as chemically defined ammonium peroxosulfate. Dissolves readily to provide persulfate ions for advanced oxidation.

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

• Confirm flake form doesn't alter chemical classification; include stability data for DOT shipping; watch for anti-dumping duties from certain origins