3911.90.91.50/Cyanate Ester Resin Flakes/Japan

Cyanate Ester Resin Flakes from Japan

Thermosetting cyanate ester resin flakes for radar-transparent composites. HTS 3911.90.91.50 covers this primary form thermoset NES in Chapter 39.

Duty Rate — Japan → United States

6.5%

Rate breakdown

9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
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Import Tips

• DSC analysis mandatory to demonstrate >200°C curing without melting

• Avoid 'adhesive' labeling; shifts to 3506 if prepared for bonding applications

• Declare low moisture content (<0.1%) to preserve thermoset reactivity

Cyanate Ester Resin Flakes from Japan — Import Duty Rate | HTS 3911.90.91.50