Diallyl Phthalate Resin Granules from Mexico
Thermosetting diallyl phthalate (DAP) resin granules for high-temperature electrical components. Classified in 3911.90.91.50 as other thermosetting polymers in primary forms not specified elsewhere.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Certify glass transition temperature >150°C to prove thermoset properties against CBP scrutiny
• Provide supplier monomer breakdown to confirm no specific 39XX heading applies
• Package in moisture-proof bags; hydrolysis can alter properties leading to classification disputes