</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Pebax Polyisobutylene Elastomer Pellets from Mexico

Specialty polyisobutylene elastomer pellets used in medical tubing and seals, meeting 95%+ isobutylene content for HTS 3902.20.5000 classification as 'Other' polyisobutylene in primary forms. These non-crosslinked pellets are processed into flexible medical-grade components.

Duty Rate — Mexico → United States

16.5%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico

Import Tips

Provide biocompatibility certificates for FDA-related imports; ensure pellets qualify as primary forms not parts; segregate medical-grade from industrial to avoid rate differences