3909.50.10.00/Polyurethane Elastomer Masterbatch Resin/Japan

Polyurethane Elastomer Masterbatch Resin from Japan

Concentrated elastomeric polyurethane masterbatch resin in primary form with minimal colorants (<5%), used for molding flexible gaskets. Still qualifies for 3909.50.10.00 as polyurethane monomers predominate by weight per subheading notes.

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%

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Import Tips

• Document additive content <5% to maintain primary polymer status; higher shifts to compounded plastics

• Distinguish from color concentrates which may classify under 3204+ if dye-dominant

• CBP may test for true polyurethane content via spectroscopy