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2929.10.55.00/Methylene Diphenyl Diisocyanate (MDI)/Mexico

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

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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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

Methylene Diphenyl Diisocyanate (MDI) from Mexico — Import Duty Rate | HTS 2929.10.55.00