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3911.90.91.50/Vinyl Ester Resin Flakes (Thermoset)/Mexico

Vinyl Ester Resin Flakes (Thermoset) from Mexico

Thermosetting vinyl ester resin flakes for corrosion-resistant laminates. Classified 3911.90.91.50 as primary thermoset NES.

Duty Rate — Mexico → United States

16.5%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Peroxide curing agent separate; combined as composite resin shifts classification

• NMR spectra for unsaturation confirming crosslink sites

• DOT shipping papers if MEKP catalyst included