Polystyrene Foam Insulation Panels from Mexico
Extruded polystyrene (XPS) foam panels designed for building wall and roof insulation. Falls under 3921.11.00.00 as cellular sheets of styrene polymers, confirmed by predominant styrene content. Provides high R-value thermal resistance.
Duty Rate — Mexico → United States
15.3%
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
• Include technical specs showing cellular structure and styrene polymer certification
• Check for size limits under US note for heading 3921 special rates
• Avoid blending with other polymers exceeding 5% threshold