Research Grade Ammonium Perrhenate 99.99% Pure from Mexico
Ultra-high purity ammonium perrhenate for scientific research and rhenium thin film deposition. Meets Chapter 28 Note 1 criteria for chemically defined compounds, thus HTS 2841.90.20.00.
Duty Rate — Mexico → United States
3.1%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Include end-user statement for research institutions to expedite clearance
• Lab quantities (<5kg) may qualify for simplified documentation
• Verify no dual-use export controls apply to high-purity rhenium chemicals