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%+35.0%41.3%
🇲🇽Mexico6.3%+10.0%16.3%
🇨🇦Canada6.3%+10.0%16.3%
🇩🇪Germany6.3%+10.0%16.3%
🇯🇵Japan6.3%+10.0%16.3%

Alternative Classifications

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

3903.19.00.00Higher: 41.5% vs 41.3%

If polystyrene copolymer

PS predominant to styrenes.

3808.94.50Lower: 30% vs 41.3%

If insecticide-treated

Pesticide residues shift to Chapter 38.

3920.99.20Lower: 39.2% vs 41.3%

If FR sheets/plates

Non-primary FR plastic products.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

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