Heading 2523: Portland cement, aluminous cement, slag cement, supersulfate cement and similar hydraulic…
Every line of heading 2523 in the U.S. Harmonized Tariff Schedule, with its general (column 1) duty rate. Open a code for the landed cost calculator, trade agreement rates and email alerts if the rate changes.
Portland cement, aluminous cement, slag cement, supersulfate cement and similar hydraulic cements, whether or not colored or in the form of clinkers
Chapter 25: Salt; sulfur; earths and stone; plaster, lime and cement. Schedule checked on November 8, 2026.
Not always the total: additional chapter 99 duties (such as Section 232 or Section 301), antidumping or countervailing duties may apply depending on the country of origin. See recent chapter 99 changes →
Tariff lines
| HTS code | Official description | General rate |
|---|---|---|
| 2523.10.00.00 | Cement clinkers | Free |
| 2523.21.00.00 | White cement, whether or not artificially colored | Free |
| 2523.29.00.00 | Other | Free |
| 2523.30.00.00 | Aluminous cement | Free |
| 2523.90.00.00 | Other hydraulic cements | Free |
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U.S. manufacturers in this industry, from public records
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Exporting this product from the U.S.?
Exports are reported with Schedule B numbers. Heading 2523 has 5 of them. Schedule B lookup →
- 2523.10.0000CEMENT CLINKERS
- 2523.21.0000WHITE PORTLAND CEMENT WHTHR OR NT ART COLORED
- 2523.29.0000PORTLAND CEMENT NESOI
- 2523.30.0000ALUMINOUS CEMENT
- 2523.90.0000SLAG CEMENT, SUPERSULFATE CEMENT AND SIMILAR HYDRAULIC CEMENTS, NESOI
Source: U.S. International Trade Commission, Harmonized Tariff Schedule; Schedule B: U.S. Census Bureau. Information only, not legal or customs advice; U.S. Customs and Border Protection decides the classification and the duty. Confirm with a licensed customs broker before you ship.
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