Hydrocarbon Novolac Cyanate Ester Resin Granules from Japan
A thermosetting resin derived from hydrocarbon novolac cyanate ester, specified under HTS 3911.90.35.00 for its aromatic-modified structure in primary granular form. Used in aerospace composites for superior heat resistance and low dielectric properties. Meets chapter note requirements for polymers obtained from modified aromatic monomers.
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%
Import Tips
• Submit manufacturer's specification confirming 'hydrocarbon novolac cyanate ester' identity and thermosetting properties
• Check for plasticizer content per subheading 3920.43 note if additives present
• Avoid classifying as general phenolic resins under 3909.40 which excludes cyanate esters