Polybutylene Terephthalate (PBT) Resin from Canada
Polybutylene terephthalate (PBT) is a thermoplastic polyester resin in primary pellet form used for engineering plastics in automotive and electronics. It falls under HTS 3907.99.50 as an 'other polyester' where the terephthalic acid and butanediol monomers predominate by weight, not meeting specific subheadings like PET or saturated polyesters.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Verify monomer composition via certificate of analysis to confirm >95% PBT content for proper classification; ensure pellets are in primary form without additives exceeding note limits; declare exact trade name and CAS number to avoid reclassification