Polyhydroxyalkanoate (PHA) Biopolymer Resin from Canada
PHA is a family of bio-based polyesters from bacterial fermentation, used in packaging films, in primary pellet form. Classified HTS 3907.99.5050 as other polyesters based on hydroxyalkanoic acid monomer units forming ester bonds predominating by weight.
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
• Include biodegradation test certifications and monomer analysis for bio-polyester verification
• Ensure no blending with non-ester polymers exceeding weight thresholds per Chapter 39 notes
• Report exact statistical suffix based on end-use declarations if available