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%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
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