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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

66.5%

Rate breakdown

9903.03.1450%Articles the product of Canada as provided in subdivision (b)(3) of U.S. note 51 to this subchapter
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter

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