3911.90.91/Polysulfone Resin Pellets/Mexico

Polysulfone Resin Pellets from Mexico

Polysulfone resin in pellet form is an engineering thermoplastic with ether and sulfone linkages, used for medical devices and membranes. It is classified under HTS 3911.90.91 as polysulfones in primary forms, specified in note 3, unmodified.

Duty Rate — Mexico → United States

6.5%

Rate breakdown

9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
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Import Tips

• FDA compliance docs if for medical use; declare bisphenol-A/sulfur dioxide monomers

• Pellet size <5mm confirms primary form; larger may be 3920 profiles

Polysulfone Resin Pellets from Mexico — Import Duty Rate | HTS 3911.90.91