High Early Strength Portland Cement from Mexico
High Early Strength (HES) Portland cement achieves rapid setting for accelerated construction schedules, like road repairs, via finer grind and adjusted chemistry. Classified under HTS 2523.29.00.00 as other Portland cement, as it's not a distinct chemical type like sulfate-resistant. Critical for time-sensitive projects.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Blaine fineness >400 m²/kg certification; shorter shelf life requires quick customs clearance; test hydration heat to avoid misclass as low-heat type