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HSChapter 25
U.S. imports of cement clinkers (HS 252310) totaled $10.5M in July 2026, traded with 7 countries.
Importers of Cement Clinkers paid $480K in duties in July 2026 — an effective duty rate of 11% on $4.3M in dutiable value, based on actual customs collections rather than the published tariff schedule. Cement Clinkers imports of $10.5M in July 2026 ran 23% above the year-to-date monthly average of $8.6M.
Last updated: July 2026 dataCement clinkers — the nodular intermediate produced by kiln-firing limestone and other raw materials — are traded globally as a bulk commodity that domestic grinding mills process into finished cement, allowing importers to bypass clinker production capacity constraints. Canada and Turkey are the leading US suppliers, with France, Vietnam, and Croatia also contributing. Classified under tariff line 2523100000, clinker imports are sensitive to domestic cement industry capacity utilization and have historically attracted trade-remedy scrutiny in various markets.
AI-written summary of the official U.S. Census Bureau trade figures on this page — verify before relying on it.
8 shipments/mo
Importers with domestic grinding capacity may find it more economical to import clinker in bulk and grind it locally, reducing shipping costs (clinker is denser and easier to handle than finished cement powder) and allowing blending with locally sourced supplementary cementitious materials like fly ash or slag to meet specific product specifications.
Clinker (2523100000) is the unground, nodular intermediate — it has not been interground with gypsum or other additives. Finished Portland or hydraulic cements are classified under subheadings 2523.21 through 2523.90. Importers should retain kiln production records or mill certificates confirming the product has not been ground to finished cement specification.
Subheading 3 of 5 in heading 2523
Subheading 252310 · $10.5M of $176.1M
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ImportsExports
Imports
$10.5MYoY · Pro
Exports
$104KYoY · Pro
12-mo low · imports
YoY · ProThrough July 2026. Source: U.S. Census Bureau.
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 |
|---|---|---|---|---|---|
| 2523100000 | Cement Clinkers | $10.5M | 4.56% | 40.93% | $480K |
HS10 export codes under this HS6 parent, each with its own page. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2523100000 | Cement Clinkers | $104K |
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.
Imports · July 2026
origin
Canada and Turkey together supply 81% of it.
customs district
destination
entry
rate provision · imports
59.1% enters free of duty; the effective duty rate is 4.56%.