3911.90.35.00/Aerospace-Grade Cyanate Ester Resin/Canada

Aerospace-Grade Cyanate Ester Resin from Canada

Hydrocarbon novolac cyanate ester resin meeting HTS 3911.90.35.00 specification for thermosetting aromatic polymers in primary forms. Critical for RTM processing in aircraft radomes. Low moisture absorption and high char yield characteristics.

Duty Rate — Canada → United States

10%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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Import Tips

• Check ITAR/EAR export control status even for imports; may require additional licenses

• Confirm viscosity specs indicate primary liquid resin form

• Avoid 3909.50 classification for non-novolac cyanates

Aerospace-Grade Cyanate Ester Resin from Canada — Import Duty Rate | HTS 3911.90.35.00