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Flame Retardant Polyurethane Resin

Halogen-free flame retardant polyurethane for electronics potting. HTS 3909.50.5000 primary 'Other' polyurethanes.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China6.3%+37.5%43.8%
🇲🇽Mexico6.3%+10.0%16.3%
🇨🇦Canada6.3%+10.0%16.3%
🇩🇪GermanyFree+10.0%10%
🇯🇵JapanFree+12.5%12.5%

Alternative Classifications

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

3903.19.00.00Higher: 44% vs 43.8%

If polystyrene copolymer

PS predominant to styrenes.

3808.94.50Lower: 42.5% vs 43.8%

If insecticide-treated

Pesticide residues shift to Chapter 38.

3920.99.20Lower: 41.7% vs 43.8%

If FR sheets/plates

Non-primary FR plastic products.

Not sure which classification is right?

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Import Tips & Compliance

UL 94 or ASTM E84 flammability reports support but don't change HTS

Reactive vs additive FR affects only performance, not classification

TSCA declarations for flame retardant additives