Polyaramid Thermosetting Powder from Mexico
Fine powder of polyaramid (aromatic polyamide) thermosetting resin for high-performance coatings and laminates. HTS 3911.90.4500 covers this as other thermosetting with aromatic monomer units in primary form. Known for exceptional thermal stability in electronics.
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
• Include FTIR spectra proving aromatic structure and thermoset crosslinking capability
• Declare exact monomer composition to meet 'derived from aromatic' criteria in hierarchy