Nylon 6,6 Polymer Granules

Polyamide-6,6 granules derived from hexamethylenediamine and adipic acid monomers, supplied in primary form for extrusion processes. Classified under HTS 3908.10.00.00 as the constituent monomers contribute 95% or more by weight, per subheading note (a)(1).

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China6.3%+25.0%31.3%
🇲🇽Mexico6.3%6.3%
🇨🇦Canada6.3%6.3%
🇩🇪Germany6.3%6.3%
🇯🇵Japan6.3%6.3%

Alternative Classifications

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

3908Same rate: 31.3%

If blend with other polyamide types

Polymer blends not meeting pure named polyamide criteria classify with the predominant monomer under 'other' polyamides.

3904.10.00Higher: 41.5% vs 31.3%

If for polyvinyl chloride copolymers mistaken for polyamides

Misidentified polymers based on predominant monomer would shift to PVC headings if testing reveals different composition.

3824.99Lower: 15% vs 31.3%

If supplied as prepared additives binder

Polyamide preparations used as binders or additives classify under chemical preparations rather than primary polymers.

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Import Tips & Compliance

Include monomer ratio documentation from manufacturer; test for moisture content as it affects duty verification; avoid misdeclaration as generic polyamide which could trigger audits