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3911.90.91.50/Silicone Novolac Resin Powder/Japan

Silicone Novolac Resin Powder from Japan

Thermosetting silicone novolac hybrid resin powder for semiconductor encapsulation. 3911.90.91.50 as thermosetting NES primary polymer.

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

• RoHS compliance certs essential for electronics resins

• Confirm <5% siloxane if pure silicone; shifts to 3910

• UL94 flammability ratings support classification evidence