Polystyrene Rigid Sheet from Canada
A noncellular, rigid sheet made from polystyrene polymer, used for signage and display fabrication. It falls under HTS 3920.30.00.00 as it is a plate, sheet, or strip of polymers of styrene, not reinforced or laminated with other materials. The polystyrene content exceeds 95% by weight, meeting the chapter's polymer classification rules.
Duty Rate — Canada → United States
15.8%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Verify polystyrene monomer content is at least 95% by weight via lab testing to confirm classification under polymers of styrene
• Ensure declaration specifies 'noncellular and not reinforced' to avoid misclassification into laminated categories