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%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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