High Purity Potassium Persulfate for Electronics from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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