Polyhydroxyalkanoate (PHA) Biopolymer Resin from Japan
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 — 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
• 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