Modified Diphenylmethane Diisocyanate (Modified MDI) from Canada

Modified MDI features altered functionality for coatings and adhesives, still a core isocyanate per chapter notes. It is classified in HTS 2929.10.55.00 as a product described in U.S. note 3 to section VI.

Duty Rate — Canada → 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

Submit modification specs to CBP for binding ruling; ensure REACH-like certifications

Common issue: undervaluation due to modifications