High Purity Potassium Persulfate for Electronics from Mexico
Ultra-pure K2S2O8 (>99.5%) used in microelectronics etching. It qualifies as a chemically defined potassium peroxosulfate under HTS 2833.40.60.10.
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
• Submit HPLC/ICP analysis for purity; comply with REACH-like docs for electronics end-use
• Avoid industrial grade mix-up leading to lower duties