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

Heading 2523 of the US Harmonized Tariff Schedule covers Portland cement, aluminous cement, slag cement, supersulfate cement and similar hydraulic cements, whether or not colored or in the form of clinkers. Below: every rated tariff line in it with its general duty rate, Section 301 China status and exclusions, then a page per line with a free duty calculator.

Official USITC HTS, 2026HTSRev22 · check on hts.usitc.gov

Heading 2523 at a glance

• 5 rated tariff lines; 5 duty-free at the general (MFN) rate.
• Section 301 (products of China): 5 of 5 lines on a list in effect (List 3).

Goods named in this heading (official line texts): Cement clin…, White cement, whether or not artificially colored, Aluminous c….

Subheadings (6-digit)

• 2523.10: Portland cement, aluminous cement, slag cement, supersulfate cement and similar …: Cement clin… (1 line)
• 2523.21: Portland cement (1 line)
• 2523.29: Portland cement (1 line)
• 2523.30: Portland cement, aluminous cement, slag cement, supersulfate cement and similar …: Aluminous c… (1 line)
• 2523.90: Portland cement, aluminous cement, slag cement, supersulfate cement and similar …: Other hydra… (1 line)

All tariff lines in heading 2523

All of chapter 25 · Chapter 25 rate summary · HTS lookup

General information from the official US Harmonized Tariff Schedule (USITC) and USTR Section 301 notices in HTS Chapter 99; not legal or customs advice. Classification is decided by CBP; confirm with a licensed customs broker or a CBP binding ruling.

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