Industrial Grade Split Block Mica from Mexico
Industrial split block mica is crude mica split into precise thin laminae under 0.508 mm, toleranced to 0.203 mm, ready for manufacturing into components. Commonly sourced from India or Madagascar, it's essential for capacitors and peizo devices. HTS 2525.10.0010 covers this unprocessed form explicitly excluding cut or stamped products.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Obtain supplier affidavits confirming no cutting/stamping to defend against CBP challenges to split block status
• Comply with Lacey Act declarations for plant-like minerals if sourced from protected areas
• Batch-test for iron impurities, as high metal content may redirect to micaceous iron oxides in 2530.90