What does 3909 cover?

Amino-resins, phenolic resins and polyurethanes, in primary forms:. This is a heading-level category with several subordinate codes — open one to see its full duty breakdown.

Where does this data come from?

Codes and MFN base rates come from the full USITC HTS 2026 Rev.11 export. Section 301/232/122 surcharge mappings are approximated pending code-level review. Every rate carries a source_url and effective_from, so you can trace it back to the controlling notice.

3909 — Amino-resins, phenolic resins and polyurethanes, in primary forms:

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3909 · Amino-resins, phenolic resins and polyurethanes, in primary forms:

This is a category heading rather than a rate line — pick one of the codes below to see its full duty stack.

Subordinate codes (6)

Code	Description
3909.10.00.00	Urea resins; thiourea resins
3909.20.00.00	Melamine resins
3909.31.00.00	Poly(methylene phenyl isocyanate) (crude MDI, polymeric MDI)
3909.39.00.00	Other
3909.40.00.00	Phenolic resins
3909.50	Polyurethanes:

Frequently asked

What does 3909 cover?: Amino-resins, phenolic resins and polyurethanes, in primary forms:. This is a heading-level category with several subordinate codes — open one to see its full duty breakdown.
Where does this data come from?: Codes and MFN base rates come from the full USITC HTS 2026 Rev.11 export. Section 301/232/122 surcharge mappings are approximated pending code-level review. Every rate carries a source_url and effective_from, so you can trace it back to the controlling notice.