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3402.39.90/Petroleum Sulfonate Surfactant/Japan

Petroleum Sulfonate Surfactant from Japan

Anionic surfactant from petroleum sulfonic acids, used in emulsifiable oils. Qualifies under 3402 despite petroleum origin (distinct from Chapter 27 oils).

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

• Distinguish from 3403 petroleum-based by surface activity testing

• Oil content analysis prevents Chapter 27 misclassification

• Dark viscous form; provide flash point data for shipping