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HSChapter 68
U.S. imports of worked mica and articles of mica (nesoi) (HS 681490) totaled $1.7M in July 2026, traded with 21 countries.
Importers of Worked Mica and Articles of Mica (NESOI) paid $209K in duties in July 2026 — an effective duty rate of 12% on $1.7M in dutiable value, based on actual customs collections rather than the published tariff schedule.
Last updated: July 2026 dataProcessed mica and mica-based articles not elsewhere specified enter the US under a single 10-digit line, 6814900000, covering a wide range of fabricated forms used in electrical insulation, cosmetics, and specialty industrial applications. Vietnam leads US supply, followed by China and Austria, reflecting both low-cost sheet-splitting operations and high-precision European fabrication. Importers should verify whether the article qualifies as mica splittings, built-up mica, or a finished article, as classification boundaries with other headings in Chapter 68 can affect duty treatment. The diversity of end-use sectors — from electronics to personal care — means specification documentation is critical at entry.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
138 shipments/mo
Worked mica generally refers to mica that has been processed (split, ground, or shaped) but not yet assembled into a finished product, while articles of mica are completed goods made from mica as a primary material. The distinction matters because some intermediate forms may classify elsewhere in Chapter 68 or even Chapter 85 if they are specifically designed electrical components. Consulting a licensed customs broker is advisable when the product sits on the boundary between these forms.
Vietnam and China tend to supply high-volume, labor-intensive forms such as mica splittings and sheet products, while Austria, Germany, and the United Kingdom supply precision-engineered mica composites and specialty insulation articles for industrial and high-tech applications. This split reflects the material's dual role as both a commodity mineral and a performance-critical engineered input.
Subheading 2 of 2 in heading 6814
Subheading 681490 · $1.7M of $3.6M
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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 | Duty Collected |
|---|---|---|---|---|---|
| 6814900000 | Mica, Worked and Artcls NESOI | $1.7M | 12.17% | 98.69% | $209K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 6814900000 | Mica, Worked and Artcls NESOI | $1.1M |
Import lines come from the U.S. Harmonized Tariff Schedule and export lines from Schedule B. The two are numbered by different agencies, so the same 10-digit code can appear in both tables describing a different product.
ImportsExports
Imports
$1.7MYoY · Pro
Exports
$1.1MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
Imports · July 2026
origin
Austria and Vietnam together supply 43% of it.
customs district
destination
entry
rate provision · imports
2.2% enters free of duty; the effective duty rate is 12.17%.