Polystyrene Rigid Sheet from Mexico
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 — Mexico → United States
15.8%
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
• 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