Polytrimethylene Terephthalate (PTT) Pellets from Canada
PTT resin pellets are a polyester produced from terephthalic acid and 1,3-propanediol, used in textiles and engineering plastics. Classified in 3907.99.5050 as it qualifies as 'other polyesters' where the ester monomers predominate by weight over other units.
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
• Provide lab analysis showing >95% predominant polyester monomers to comply with Chapter 39 subheading classification rules
• Label as 'primary forms' distinctly from compounded masterbatches which may require different statistical suffixes
• Check for bio-based content declarations that might affect alternative classifications under renewable polymer provisions