Petroleum Sulfonate Surfactant from Canada
Anionic surfactant from petroleum sulfonic acids, used in emulsifiable oils. Qualifies under 3402 despite petroleum origin (distinct from Chapter 27 oils).
Duty Rate — Canada → United States
13.7%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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