3824.40.10.00/Benzene Derivative Accelerating Admixture for Concrete/Japan

Benzene Derivative Accelerating Admixture for Concrete from Japan

Set-accelerating liquid with benzene-based compounds (>5% aromatics) to speed concrete curing in cold weather. HTS 3824.40.10.00 for aromatic prepared additives in concretes. Reduces waiting time for formwork removal.

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%

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Import Tips

• Document chloride content if for prestressed concrete; comply with ASTM C494 standards

• Separate from calcium chloride accelerators in declarations