Styrofoam Beads EPS from Canada
Expandable polystyrene beads used for molding into foam products like packaging and insulation. These pre-expanded or unexpanded beads contain pentane as a blowing agent and fall under HTS 3903.11.00.00 as expandable polystyrene in primary form before molding or expansion into finished articles.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Verify monomer content exceeds 95% styrene per subheading note (a)(1) to confirm classification as polystyrene
• Include technical data sheets proving expandability and primary form status to avoid reclassification as finished foam
• Check for hazardous material declarations due to pentane blowing agent content