Phlogopite Mica Splittings for Insulation from Mexico
Split phlogopite mica in book-pack form, ideal for high-temperature electrical insulation precursors. Meets mica splittings definition under statistical note (b) for book-pack laminae used in agglomerated mica (6815). HTS 2525.10.00.20 covers these unworked splittings.
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
• Provide mineral composition certificates confirming phlogopite vs. muscovite to support valuation
• Ensure packaging prevents breakage—damaged splittings may classify as mica waste (2525.20)
• Avoid mixing with powders; pure splittings prevent misclassification as worked products