Styrene Foam Sign Blanks from Canada
Extruded polystyrene foam boards sold as blanks for outdoor signage and displays. 3921.11.00.00 for cellular sheets of styrene polymers used in advertising. Weatherproof surface.
Duty Rate — Canada → United States
15.3%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Document as unfinished sheets, not signs, to stay in 3921
• Include styrene content lab reports
• Common error: classifying printed boards under 3920