Ammonium Persulfate Flakes from Canada
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 — Canada → United States
13.1%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Confirm flake form doesn't alter chemical classification; include stability data for DOT shipping; watch for anti-dumping duties from certain origins