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U.S. imports of mica waste (HS 252530) totaled $2K in July 2026, traded with 1 country.
Mica Waste imports of $2K in July 2026 ran 44% below the year-to-date monthly average of $4K.
Last updated: July 2026 dataMica waste — comprising trimmings, punchings, and processing residues from mica fabrication — is a lower-value input used primarily in ground mica production, wallboard joint compounds, and agricultural applications. India and Brazil are the leading suppliers, reflecting their roles as major mica-mining and processing nations. All US imports enter under the single line 2525300000, and the key classification question is distinguishing genuine processing waste from intentionally milled mica powder (252520).
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
1 shipments/mo
CBP may request a product data sheet, sieve analysis, or manufacturer's declaration confirming that the material is a processing residue rather than a deliberately milled product. Mica waste typically lacks a controlled particle-size specification and is priced significantly below commercial-grade mica powder. A binding ruling from CBP is advisable if the material is borderline.
Mica waste is reground into low-grade mica powder for use in joint compounds, roofing materials, and rubber compounding. It also serves as a soil conditioner in some agricultural applications. Because it is a by-product stream, supply availability and quality can vary with production levels at upstream mica fabrication facilities in India and Brazil.
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HS10 import codes under this HS6 parent, each with its own page. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Dutiable Share |
|---|---|---|---|---|
| 2525300000 | Mica Waste | $0 | -- | -- |
Subheading 3 of 3 in heading 2525
Subheading 252530 · $2K of $798K
HSChapter 25
ImportsExports
Imports
$2KYoY · Pro
12-mo low · imports
YoY · ProFewer than 6 of the last 12 months reported trade above $500K; the trend chart is not shown for thin series.
Through July 2026. Source: U.S. Census Bureau.
Imports · July 2026
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the effective duty rate is 10.00%.