Bismaleimide Resin Pellets from Japan
High-temp bismaleimide (BMI) thermosetting resin pellets for aircraft structures. Primary form classification under 3911.90.91.50 as other thermosets.
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
• Provide gel permeation chromatography (GPC) for molecular weight confirming primary form
• Segregate from thermoplastics; blend ratios trigger note (a)(4) reclassification
• FAA certification docs helpful for aerospace resin imports