Technical Grade Ammonium Perrhenate 99.5% Re from Mexico
Technical grade ammonium perrhenate with 99.5% rhenium content is used in petroleum reforming catalysts and alloy production. Classified specifically under HTS 2841.90.20.00 as the ammonium salt within salts of oxo- or peroxometallic acids.
Duty Rate — Mexico → United States
3.1%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Provide lot-specific purity analysis; CBP may test samples for rhenium content
• Segregate from organic chemicals in warehouse to prevent cross-contamination claims
• Include origin certificate; rhenium from certain countries may face additional sanctions