Microbial Rhamnolipid Polyether Surfactant from China
Biosurfactant polyether from microbial fermentation of vegetable oils, non-ionic for bioremediation and green cleaners. Qualifies per note 2 as fatty substance-derived organic surface-active polyether. 3402.42.20.10 covers microbial origin polyethers.
Duty Rate — China → United States
41.5%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Import Tips
• Fermentation batch records prove microbial fatty substance origin vs synthetic
• Biotech import permits if live cultures present; pure isolate avoids