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HSChapter 25
U.S. imports of cement clinkers (HS 252310) totaled $10.6M in April 2026, traded with 6 countries.
Importers of Cement Clinkers paid $409K in duties in April 2026 — an effective duty rate of 10% on $4.1M in dutiable value, based on actual customs collections rather than the published tariff schedule. Cement Clinkers imports of $10.6M in April 2026 ran 47% above the year-to-date monthly average of $7.2M.
Last updated: April 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.
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.
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Monthly import values over time
| Country | Imports | Exports | Balance |
|---|---|---|---|
| CANADA | $6.5M | -- | -$6.5M |
| TURKEY | $4.1M | -- | -$4.1M |
| BARBADOS | -- | $25K | +$25K |
| DOMINICAN REPUBLIC | -- | -- | -- |
| CROATIA | -- | -- | -- |
HS10 import codes under this HS6 parent. Source: U.S. Harmonized Tariff Schedule.
| Code | Description | Import Value | Effective Tariff % | Duty Collected |
|---|---|---|---|---|
| 2523100000 | CEMENT CLINKERS | $10.6M | 10.00% | $409K |
CEMENT CLINKERS
HS10 export codes under this HS6 parent. Source: U.S. Schedule B export classification.
| Code | Description | Export Value |
|---|---|---|
| 2523100000 | CEMENT CLINKERS | $25K |
CEMENT CLINKERS
41 t
PORTLAND CEMENT EXCEPT WHITE PORTLAND CEMENT
HS 252329
SULFUR OF ALL KINDS, NOT SUBLIMED,PRECIP,COLLOIDAL
HS 250300
SALT INCL TBL/DENTRD, PURE SODM CHLOR ETC; SEA WTR
HS 250100
UNGRND NAT CAL PHSPH, ALUM CAL PHOS A PHOS CHALK
HS 251010
FLUORSPAR OV 97% OF CALCIUM FLUORD BY WGHT
HS 252922
PEBBLES, GRAVEL ETC. FOR CONCRETE AGGREGATES ETC.
HS 251710
| Port | Imports | Exports | Balance |
|---|---|---|---|
| DETROIT, MI | $6.5M | -- | -$6.5M |
| HOUSTON, TX | $4.1M | -- | -$4.1M |
| PORT EVERGLADES, FL | -- | $25K | +$25K |