Potassium Bromide Crystals from Mexico
High-purity potassium bromide (KBr) crystals used in infrared spectroscopy and photographic emulsions. Classified under HTS 2827.51.00.00 as a bromide of potassium, a simple inorganic salt per Chapter 28 Note 1. Supplied in granular or crystalline form for laboratory and industrial applications.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Provide assay report showing ≥99.9% purity to distinguish from industrial-grade mixtures
• Declare as 'optical grade' if for spectroscopy to prevent misclassification under lab reagents (3822)