Polyurethane Elastomer Masterbatch Resin from China
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 — China → United States
37.5%
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
• 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