U.S. imports of crude mica and mica rifted into sheets or splittings (HS 252510) totaled $89K in April 2026, traded with 3 countries.
Crude mica and mechanically split mica sheets are foundational raw materials for the electrical insulation, electronics, and cosmetics industries, valued for their thermal stability and dielectric properties. The US tariff schedule subdivides this heading into split block mica (2525100010), mica splittings (2525100020), and other mica forms (2525100050), each reflecting a distinct processing stage and end-use suitability. India is the dominant supplier, with Japan and Brazil also among the leading sources. Classification between splittings and block mica affects both duty treatment and downstream processing requirements.
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Split block mica consists of thicker, hand-trimmed pieces used for further fabrication into built-up insulation, while mica splittings are very thin, uniform layers used directly in electrical insulation sheets, capacitors, and cosmetic applications.
India is the leading supplier of crude mica and mica splittings to the US, followed by Japan and Brazil. India's dominance reflects its large-scale muscovite and phlogopite mining operations.
Imports
$89K
from 3 countries · YTD: $175K
Exports: $3K
Deficit of $86K (net importer)
Trade balance: deficit of $86K (net importer)
YTD: $175K imported (April 2026)
3 shipments/month
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Monthly import values over time
SALT INCL TBL/DENTRD, PURE SODM CHLOR ETC; SEA WTR
HS 250100
PORTLAND CEMENT EXCEPT WHITE PORTLAND CEMENT
HS 252329
SULFUR OF ALL KINDS, NOT SUBLIMED,PRECIP,COLLOIDAL
HS 250300
NATURAL BARIUM SULFATE (BARYTES)
HS 251110
FLUORSPAR OV 97% OF CALCIUM FLUORD BY WGHT
HS 252922
UNGRND NAT CAL PHSPH, ALUM CAL PHOS A PHOS CHALK
HS 251010
Top U.S. entry points for this product, ranked by latest-month import value.