Photo Grade Ammonium Persulfate from Mexico
High purity photo grade ammonium persulfate for etching photoresists in semiconductor manufacturing. Classified HTS 2833.40.60.20 as chemically pure ammonium peroxosulfate. Critical for microelectronics fabrication processes.
Duty Rate — Mexico → United States
13.1%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Cleanroom packaging certification required; ultra-pure grades need particle count specs; semiconductor inputs may qualify for duty drawback programs