Methylene Diphenyl Diisocyanate (MDI) from Mexico
MDI is a chemically defined aromatic diisocyanate used primarily in polyurethane production for foams and coatings. It falls under HTS 2929.10.55.00 as an isocyanate specifically listed in additional U.S. note 3 to section VI, distinguishing it from other isocyanates.
Duty Rate — Mexico → United States
16.5%
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 listing in additional U.S. note 3 to section VI for correct classification; ensure SDS and proper UN packaging for hazardous transport
• Common pitfall: misclassifying as general isocyanate under 2929.10.50