Indopol L-100 Polyisobutylene from China
Indopol L-100 is a low molecular weight liquid polyisobutylene used as a plasticizer and lubricant additive in industrial oils and greases. Classified under HTS 3902.20.5000 as 'Other' polyisobutylene where isobutylene units predominate by weight per subheading notes. Imported in drums as a viscous, colorless primary polymer form.
Duty Rate — China → United States
44%
Rate breakdown
9903.88.0225%Except as provided in headings 9903.88.12, 9903.88.17, 9903.88.20, 9903.88.54, 9903.88.59, 9903.88.61, 9903.88.63, 9903.88.66, 9903.88.67, 9903.88.68, 9903.88.69, or 9903.88.70, articles the product of China, as provided for in U.S. note 20(c) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(d)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China
Import Tips
• Confirm viscosity and molecular weight specs match primary form criteria; include technical data sheets showing no plasticizer additives; avoid misdeclaration as finished lubricant under 2710