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%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
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