Lupranate M20R Polymeric MDI from Mexico
Lupranate M20R is a commercial grade crude MDI with high isocyanate functionality for spray foam insulation production, qualifying under 3909.31 due to predominant monomer units. This primary form chemical is essential for reacting with polyols in polyurethane formulations. Supplied in bulk for construction industry applications.
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
• Provide detailed technical data sheet showing 95%+ polyisocyanate content for CBP verification
• Use proper UN-approved packaging for Class 6.1 poison inhalation hazard
• Pitfall: Incorrectly declaring as finished polyurethane shifts to Chapter 39 plates/films