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2523.21.00.00/White Supersulfate Cement/Mexico

White Supersulfate Cement from Mexico

White supersulfate cement combines Portland clinker with high sulfate content for sulfate resistance, maintaining white color through low-iron components. Classified under HTS 2523.21.00.00 as white hydraulic cement, artificially colored if needed. Used in harsh marine environments.

Duty Rate — Mexico → United States

10%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Provide sulfate resistance test results (EN 197-1) to distinguish from standard Portland

• Ensure clinker-slag blend ratios documented; excessive slag may alter classification

White Supersulfate Cement from Mexico — Import Duty Rate | HTS 2523.21.00.00