Ammonium Persulfate Crystals from Canada
Crystalline form of ammonium persulfate used in etching solutions for printed circuit boards and metal surface treatment. Classified under HTS 2833.40.60.20 as an ammonium peroxosulfate meeting chemical definition requirements. Provides strong oxidizing power in aqueous and non-aqueous media.
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
• Include technical data sheet proving peroxosulfate composition; comply with TSCA import certification; check for REACH compliance if transshipping from EU