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
12.5%
Rate breakdown
9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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