3911.90.91.50/Bismaleimide Resin Pellets/Japan

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%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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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