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3824.40.20.00/Cerium Oxide Concrete Polishing Accelerator/Japan

Cerium Oxide Concrete Polishing Accelerator from Japan

Nano-cerium oxide slurry used to accelerate mechanical polishing of concrete floors by chemically softening surface cement paste. Wholly inorganic prepared additive for concrete finishing under HTS 3824.40.20.00. Achieves mirror finish rapidly.

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

• CeO2 content verification; slurry stability data; distinguish from gemstone polishing compounds