High Purity Potassium Persulfate for Electronics from Canada
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 — Canada → United States
13.1%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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