Modified Diphenylmethane Diisocyanate (Modified MDI) from Mexico
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 — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Submit modification specs to CBP for binding ruling; ensure REACH-like certifications
• Common issue: undervaluation due to modifications