Toluene Diisocyanate (TDI) 80/20 Mixture from Mexico
TDI 80/20 is an 80:20 mixture of 2,4- and 2,6-toluene diisocyanate isomers, qualifying as 'other' isocyanates under HTS 2929.10.80.90 per Chapter 29 note (b) for isomer mixtures. Widely used for flexible slabstock polyurethane foams.
Duty Rate — Mexico → United States
16.5%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• UN 2078 Hazard Class 6.1; require secondary containment and spill response plans
• GC-MS analysis required to verify 80/20 isomer ratio for proper 'other' subheading
• Avoid declaring as crude TDI; specify stabilized grade with <0.1% hydrolysis