2933.29.60.00/Imidazole Corrosion Inhibitor Base/Japan

Imidazole Corrosion Inhibitor Base from Japan

Technical-grade Imidazole used as base for copper corrosion inhibitors in industrial coolants, under HTS 2933.29.60.00 for unfused ring structure. Forms complexes with metal surfaces.

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

• Avoid anti-dusting agents per chapter note (g) to prevent preparation classification; TSCA notification required; test for stabilizer content