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High Early Strength Portland Cement from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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