Technical Grade Ammonium Persulfate from Japan
Technical grade ammonium persulfate (99% purity) for industrial bleaching of textiles and paper pulp. HTS 2833.40.60.20 covers this peroxosulfate salt of ammonium per Chapter notes. Strong oxidizer that decomposes to generate sulfate radicals.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Provide assay certificate showing >98% purity to avoid 3824 mixtures classification; ensure packaging prevents moisture absorption; declare correct UN 1444 hazard class