2921.22.50.00/Hexamethylenediamine Epoxy Adduct/Japan

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

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%

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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)