Biotite Mica Splittings from Mexico
Biotite variety of mica rifted into loose splittings for industrial grinding. Classified in HTS 2525.10.00 per the description of crude mica and rifted splittings, prior to any powdering. Used in paints, drilling fluids, and fillers.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Specify biotite content in invoices, as iron-rich varieties may face steel safeguard scrutiny
• Avoid bulk packaging that mimics powder form to prevent shift to 2525.20.00
• Include safety data sheets for dust hazards during customs physical exams