Hexamethylenetetramine Flake Form

Hexamethylenetetramine produced in translucent flake form for easier handling in resin manufacturing. Remains under HTS 2933.69.5000 as physical form doesn't change its chemical classification as a triazine compound.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China6.3%+35.0%41.3%
🇲🇽Mexico6.3%+10.0%16.3%
🇨🇦Canada6.3%+10.0%16.3%
🇩🇪Germany6.3%+10.0%16.3%
🇯🇵Japan6.3%+10.0%16.3%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2921.30Lower: 13.7% vs 41.3%

If containing >2% urea impurities from manufacturing

Urea derivatives classified in 2924; Chapter 29 excludes urea per note (f).

2837.20Lower: 11.7% vs 41.3%

If cyanuric acid salts predominate

Inorganic salts of triazine acids go to inorganic chemical chapters.

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Import Tips & Compliance

Specify flake size (typically 8-25mm) in commercial invoice for valuation

Anti-caking agent <0.2% allowed per Chapter 29 note (f); declare stabilizer composition

Monitor bulk density (0.7-0.75 g/cm³) for container loading calculations

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