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HTS 2523Portland cement, aluminous cement, slag cement, supersulfate cement and similar hydraulic cements, whether or not colored or in the form of clinkers

Product or HTS code

Rate lines5

Code	Description	General	Special	Column 2	Units	Calculate
2523.10.00.00	2523.10.00.00Cement clinkersGeneral Free · Column 2 $1.32/t, including weight of container · t	Free		$1.32/t, including weight of container	t
	Portland cement
2523.21.00.00	2523.21.00.00White cement, whether or not artificially coloredGeneral Free · Column 2 $1.76/t, including weight of container · t	Free		$1.76/t, including weight of container	t
2523.29.00.00	2523.29.00.00OtherGeneral Free · Column 2 $1.32/t, including weight of container · t	Free		$1.32/t, including weight of container	t
2523.30.00.00	2523.30.00.00Aluminous cementGeneral Free · Column 2 $1.32/t, including weight of container · t	Free		$1.32/t, including weight of container	t
2523.90.00.00	2523.90.00.00Other hydraulic cementsGeneral Free · Column 2 $1.32/t, including weight of container · t	Free		$1.32/t, including weight of container	t

2026 HTS Revision 21 (October 9, 2026)

Duty by country of origin

Rate line	Canada29.16% of imports	Türkiye27.55% of imports	Vietnam11.75% of imports	Mexico6.15% of imports	Egypt4.08% of imports	Greece3.86% of imports	Colombia2.85% of imports	Algeria2.79% of imports	France2.69% of imports	South Korea1.65% of imports
2523.10.00.00Cement clinkers	10%9903.05.29	12.5%9903.05.79	12.5%9903.05.84	10%9903.05.55	12.5%9903.05.36	10%9903.05.39	12.5%9903.05.32	12.5%9903.05.20	10%9903.05.39	12.5%9903.05.71
2523.21.00.00White cement, whether or not artificially colored	10%9903.05.29	12.5%9903.05.79	12.5%9903.05.84	10%9903.05.55	12.5%9903.05.36	10%9903.05.39	12.5%9903.05.32	12.5%9903.05.20	10%9903.05.39	12.5%9903.05.71
2523.29.00.00Other	10%9903.05.29	12.5%9903.05.79	12.5%9903.05.84	10%9903.05.55	12.5%9903.05.36	10%9903.05.39	12.5%9903.05.32	12.5%9903.05.20	10%9903.05.39	12.5%9903.05.71
2523.30.00.00Aluminous cement	10%9903.05.29	12.5%9903.05.79	12.5%9903.05.84	10%9903.05.55	12.5%9903.05.36	10%9903.05.39	12.5%9903.05.32	12.5%9903.05.20	10%9903.05.39	12.5%9903.05.71
2523.90.00.00Other hydraulic cements	10%9903.05.29	12.5%9903.05.79	12.5%9903.05.84	10%9903.05.55	12.5%9903.05.36	10%9903.05.39	12.5%9903.05.32	12.5%9903.05.20	10%9903.05.39	12.5%9903.05.71

Total duty on a $10,000 ocean shipment entered 2026-10-13, before customs fees. Origins are the leading sources of US imports under this heading in 2025 (US Census Bureau).