Polyurethane Foam Insulation Board from Mexico

Rigid cellular polyurethane foam boards used for thermal insulation in building construction. Classified under HTS 3921.13.5000 as other cellular plates and sheets of polyurethanes, where the polymer meets the 95% monomer content requirement per subheading notes.

Duty Rate — Mexico → United States

14.2%

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 polymer composition meets 95% polyurethane monomer content per Chapter 39 subheading notes to avoid reclassification

Provide technical data sheets confirming cellular structure and density for customs valuation