Polyurethane Elastomer Masterbatch Resin from Canada
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 — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
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