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SITCSection 5
U.S. exports of silicon (SITC 52223) totaled $110.1M in July 2026.
Importers of Silicon paid $5.2M in duties in July 2026 — an effective duty rate of 14% on $37.6M in dutiable value, based on actual customs collections rather than the published tariff schedule. Silicon imports of $55.6M in July 2026 ran 10% above the year-to-date monthly average of $50.5M.
Last updated: July 2026 dataMetallurgical-grade and polycrystalline silicon are distinct commercial products with very different end uses: metallurgical silicon feeds aluminum alloys and silicone chemical production, while polysilicon is the primary feedstock for solar photovoltaic wafers and semiconductor substrates. Silicon imports have been subject to significant trade-remedy scrutiny, with antidumping and countervailing duty orders affecting certain grades and origins. Buyers should verify whether their specific silicon grade and supplier country fall under any active orders before contracting.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
698 shipments/mo
Basic heading 64 of 465 in section 5
Basic heading 52223 · $55.6M of $28.9B
Metallurgical-grade silicon typically contains 98–99% silicon and is used in aluminum alloys and chemical synthesis. Polysilicon (polycrystalline silicon) is refined to semiconductor or solar grade (often 99.9999%+ purity) and is classified separately in HTS. The distinction matters because different duty rates, trade remedy orders, and supply chains apply to each grade.
Yes. The US has imposed antidumping and countervailing duty orders on silicon metal from multiple countries at various times. Importers should consult the current USITC and Commerce Department order lists to determine whether their supplier country and product specification are covered before finalizing purchase agreements.
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Exports · July 2026
destination
Japan and Vietnam together take 72% of it.
customs district
Census does not publish district detail for this classification system.
origin
Census does not publish state detail for this classification system.
entry
Census does not publish port detail for this classification system.
ImportsExports
Imports
$55.6MYoY · Pro
Exports
$110.1MYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.