Polyetherimide Resin Pellets from Mexico
Polyetherimide (PEI) is a high-performance thermoplastic polymer in primary pellet form, derived from specific monomers meeting the 95% weight requirement under subheading notes. Classified under 3911.90.91.10 as a thermoplastic product specified in note 3, not elsewhere specified, due to its amorphous structure and engineering properties. Used in demanding applications like aerospace components.
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
Import Tips
• Verify monomer composition via supplier certificates to confirm 95% predominance per subheading note (a)(1) for accurate classification
• Provide detailed technical data sheets showing thermoplastic nature and primary form (pellets) to avoid misclassification as finished goods