Polybutylene Terephthalate (PBT) Resin from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, 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