Pentane-Infused EPS Pellets from Japan
Polystyrene pellets impregnated with pentane blowing agent for steam expansion in foam molding applications. HTS 3903.11.00.00 covers these expandable primary forms distinguished from rigid polystyrene.
Duty Rate — Japan → United States
16.5%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Declare exact pentane content in documentation; excess may trigger hazmat regulations
• Use manufacturer's spec sheets confirming expandability to prevent misclassification as 3903.19 rigid PS
• Monitor for anti-dumping duties on EPS from certain origins like China or Korea