Isophorone Diisocyanate (IPDI) from China
IPDI is a cycloaliphatic diisocyanate with two -NCO groups, falling under HTS 2929.10.80 as an 'other' isocyanate due to its distinct nitrogen function. It is valued for light-stable polyurethane coatings and elastomers in automotive and optical applications.
Duty Rate — China → United States
19%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include technical data sheets specifying NCO content for accurate tariff verification
• Use UN-approved packaging for corrosive Category 8 liquids to prevent shipping incidents
• Check for anti-dumping duties on Asian-sourced aliphatic isocyanates