Phenolic Thermosetting Resin Pellets from Mexico
Pellets of phenolic resin, a thermosetting polymer containing aromatic monomer units derived from phenol and formaldehyde, supplied in primary form for molding applications. Classified under HTS 3911.90.4500 as a thermosetting product specified in note 3, not elsewhere included, with aromatic components. Used in electrical insulators and automotive parts due to heat resistance.
Duty Rate — Mexico → United States
15.8%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Verify 95%+ aromatic monomer content per chapter notes to avoid reclassification to generic polymers
• Provide certificates of analysis confirming thermosetting nature and primary form (pellets/prills)