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3824.40.10.00/Polystyrene-Based Cement Dispersant/Japan

Polystyrene-Based Cement Dispersant from Japan

A powdered dispersant with modified polystyrene (aromatic polymer) exceeding 5% by weight, added to concrete to prevent clumping and enhance uniformity. Classified in 3824.40.10.00 for its aromatic-modified substances in concrete preparations. Ideal for high-performance ready-mix applications.

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

• Provide manufacturer specs confirming polystyrene aromatic content; check REACH compliance if from EU

• Avoid bulk packaging that could imply industrial chemical rather than prepared additive

Polystyrene-Based Cement Dispersant from Japan — Import Duty Rate | HTS 3824.40.10.00