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3909.50.50.00/Flexible Polyurethane Prepolymer/Mexico

Flexible Polyurethane Prepolymer from Mexico

A low-viscosity polyurethane prepolymer in primary form for flexible foam production. Classified under HTS 3909.50.5000 as 'Other' polyurethanes where the named polymer units dominate 95%+ by weight. Used in mattress and cushion manufacturing.

Duty Rate — Mexico → United States

16.3%

Rate breakdown

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

• Include supplier specs confirming primary form and polyurethane predominance to prevent misclassification as a finished good

• Label shipments clearly as 'primary form resins' to distinguish from foamed articles under 3921

Flexible Polyurethane Prepolymer from Mexico — Import Duty Rate | HTS 3909.50.50.00