Diallyl Phthalate Resin Granules from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, 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