Norbornane Diisocyanate from Mexico
A bicyclic aliphatic diisocyanate derived from norbornane, classified under HTS 2929.10.80 as other isocyanates with nitrogen function. Used in specialty polyurethanes requiring high thermal stability and hydrolytic resistance.
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 NMR spectra or CAS number confirmation for exotic isocyanate identification
• Declare low-volume specialty chemical status for potential duty reductions
• Ensure secondary containment packaging for high-viscosity formulations