Isophorone Diisocyanate (IPDI) from Japan

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 — Japan → United States

16.5%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 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