Indopol L-100 Polyisobutylene from Mexico
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 — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
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