Flexible Polyurethane Prepolymer from China
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 — China → United States
43.8%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.88.0225%Except as provided in headings 9903.88.12, 9903.88.17, 9903.88.20, 9903.88.54, 9903.88.59, 9903.88.61, 9903.88.63, 9903.88.66, 9903.88.67, 9903.88.68, 9903.88.69, or 9903.88.70, articles the product of China, as provided for in U.S. note 20(c) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(d)
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