Low-Alkali Cement Clinker from Mexico
Low-alkali cement clinker limits alkali content (<0.6% Na2O equivalent) to prevent alkali-silica reaction in concrete. As unground clinker, it falls under HTS 2523.10.00.00 for hydraulic cements.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Lab certificates showing alkali levels essential for verification
• Monitor storage to prevent carbonation affecting alkali readings