1,5-Naphthalene Diisocyanate Technical Grade from Mexico
Technical grade 1,5-naphthalene diisocyanate (95% purity) used in industrial polyurethane resin manufacturing. HTS 2929.10.2700 applies as it remains a chemically defined isocyanate compound despite minor impurities, per Chapter 29 scope for organic compounds.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• 1
• Provide HPLC chromatogram showing >95% purity; 2
• Impurity profile must not indicate different principal compound; 3
• Bulk packaging requires IBC certification