Technical Grade Xylene Diisocyanate 80/20 Mixture from Mexico
Technical grade xylene diisocyanate (XDI), typically an 80/20 isomer mix of 2,4- and 2,6-XDI, is covered under HTS 2929.10.20.00 as it matches the named compound despite isomer impurities per Chapter note (b). Used in flexible foam production for mattresses and automotive seats. Remains classified here as a chemically defined organic isocyanate.
Duty Rate — Mexico → United States
15.8%
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
• Confirm isomer ratio via HPLC analysis for documentation; stabilize with <0.1% additives to stay in heading
• Avoid bulk packaging over DOT limits to prevent hazmat surcharges