Norbornane Diisocyanate from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
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