Phlogopite Mica Splittings for Insulation from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, 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