Hexamethylenediamine Epoxy Adduct from Japan
Reaction product of hexamethylenediamine with epoxy resin, used as curing agent. Still classified under HTS 2921.22.5000 if retaining polyamine character. Viscosity 500-2000 cps.
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
• Submit epoxy equivalent weight and amine hydrogen equivalent weight specs
• Classify as UN 2735; require proper hazardous material training
• Distinguish from fully cured epoxy systems (Chapter 39)