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SITCSection 2
U.S. imports of mica, including splittings & mica waste (SITC 27852) totaled $949K in April 2026, traded with 12 countries.
Importers of Mica, Including Splittings & Mica Waste paid $92K in duties in April 2026 — an effective duty rate of 16% on $580K in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: April 2026 dataMica's unique combination of electrical insulation, thermal stability, and cleavability into thin sheets makes it indispensable in electronics, cosmetics, and specialty coatings. Trade flows under this heading encompass block mica, mica splittings (thin delaminated sheets), and processing waste — each commanding different price points and end-use applications. Splittings are particularly sought by manufacturers of built-up mica insulation for motors and transformers, while waste grades feed the ground-mica market for paints and plastics.
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Splittings are carefully delaminated sheets of consistent thickness used in precision electrical insulation products; they command a significant price premium. Mica waste consists of off-cuts and scrap generated during processing and is typically ground for use as a filler or functional additive in paints, rubber, and plastics.
Global mica supply is geographically concentrated, and responsible sourcing programs have emerged in response to labor-practice concerns in certain producing regions. Importers increasingly require supplier audits and chain-of-custody documentation, particularly for cosmetic-grade mica, to satisfy corporate due-diligence and retailer requirements.
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Monthly import values over time