Ammonium Perrhenate Catalyst Precursor Flakes from Japan
Flake-form ammonium perrhenate designed for conversion to Re2O7 in catalyst manufacturing for hydrocracking. Its chemical definition as NH4ReO4 places it squarely under HTS 2841.90.20.00.
Duty Rate — Japan → United States
3.1%
Rate breakdown
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• Specify physical form (powder/flakes) in commercial invoice to match statistical suffix
• Ensure packaging prevents moisture absorption which affects decomposition
• Pre-clear with CBP if first import; rhenium compounds receive heightened scrutiny