High Early Strength White Cement from Japan
White Portland cement formulated for rapid setting in precast production, achieving high strength within hours while preserving white color. HTS 2523.21.00.00 classification based on white hydraulic cement properties, not specific strength grades. Used in accelerated construction projects.
Duty Rate — Japan → 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
• Strength curves and setting time data required to verify rapid-hardening claims without additives
• Higher Blaine fineness (4500+ cm²/g) typical; document milling specs
• Avoid confusion with gypsum-accelerated products (heading 2520)