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Aniline-Formaldehyde Resin Powder

Thermosetting aniline-formaldehyde resin powder for specialty coatings. Classified 3911.90.91.50 primary thermoset.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China6.5%+37.5%44%
🇲🇽Mexico6.5%+10.0%16.5%
🇨🇦Canada6.5%+10.0%16.5%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+12.5%12.5%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

3909Lower: 18.8% vs 44%

If amino resin with melamine/urea

Amino resins specifically in 3909.30 series.

3204.17Lower: 19% vs 44%

If synthetic organic pigments

If colored for pigments, Chapter 32.

3920Lower: 18.3% vs 44%

If plasticized sheets

Plasticized polymeric sheets in 3920.42.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.

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Import Tips & Compliance

• Amines content declaration for REACH

• Dark color natural; pigments shift to paints

• Solubility test confirms primary vs solution

Related Products under HTS 3911.90.91.50

Melamine-Formaldehyde Resin Granules

Thermosetting melamine-formaldehyde resin in granular primary form, used for molding durable laminates and coatings. Classified under HTS 3911.90.91.50 as a thermosetting polymer not elsewhere specified, meeting the criteria where the monomer units contribute over 95% by weight per subheading note (a)(1).

Urea-Formaldehyde Resin Powder

Thermosetting urea-formaldehyde resin powder in primary form for particleboard adhesives and molded products. Falls under 3911.90.91.50 as a thermosetting product NES, compliant with polymer classification rules based on predominant monomer weight.

Epoxy Novolac Resin Pellets

High-performance thermosetting epoxy novolac resin in pellet form for electronics encapsulation. HTS 3911.90.91.50 applies to this NES thermosetting polymer in primary form, where epoxy and novolac units predominate per note (a)(4).

Diallyl Phthalate Resin Granules

Thermosetting diallyl phthalate (DAP) resin granules for high-temperature electrical components. Classified in 3911.90.91.50 as other thermosetting polymers in primary forms not specified elsewhere.

Polyimide Prepolymer Powder

Thermosetting polyimide prepolymer powder in primary form for aerospace composites. Under 3911.90.91.50 as NES thermosetting product, classified by predominant imide monomer units.

Cyanate Ester Resin Flakes

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