Expansive Hydraulic Cement from Mexico
Specially formulated hydraulic cement with ettringite-forming agents to counteract shrinkage in concrete. HTS 2523.90.00.00 as other hydraulic cement with unique properties. Used in prestressed concrete and crack control.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Expansion test data (ASTM C845) essential for proof of properties
• Small % sulfoaluminate content keeps it 2523; pure is 2523.10
• Performance specs prevent misclass as admixtures (3824)