New

Ask Wove anything about tariffs.

Try Tariff Assistant

Urea-Thiourea Copolymer Resin

Urea-thiourea copolymer resin where urea units predominate over thiourea, used in paper impregnation. It is classified as a urea resin under the subheading note's monomer predominance rule, with combined urea and thiourea units exceeding 95%.

Import Duty Rates by Country of Origin

Origin CountryMFN TariffSurtaxesTotal Effective Rate
πŸ‡¨πŸ‡³ChinaFreeβ€”Free
πŸ‡²πŸ‡½MexicoFreeβ€”Free
πŸ‡ΊπŸ‡ΈUnited StatesFreeβ€”Free
πŸ‡©πŸ‡ͺGermanyFreeβ€”Free
πŸ‡―πŸ‡΅JapanFreeβ€”Free

More Specific Codes

This product may fall under a more specific subheading:

Alternative Classifications

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

3909.40.00Same rate: Free

If thiourea units predominate over urea units by weight

Thiourea resins are not separately named; if thiourea predominates, classification may shift to other amino-resins.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item β€” and can price the duty on it in the same conversation.

Import Tips & Compliance

β€’ Provide the copolymer composition showing urea units predominate by weight

β€’ Keep technical data sheets for CBSA verification

β€’ Ensure the resin is in primary form, not applied to paper

Related Products under Tariff item 3909.10.00

High-Purity Urea Resin for Foundry Binders

High-purity urea-formaldehyde resin powder used as a binder in foundry core systems. It is in primary form, meeting the 95% monomer rule for classification as a urea resin under this tariff item.

Liquid Urea-Formaldehyde Pre-Condensate Resin

Liquid urea-formaldehyde pre-condensate resin in primary form, used as an adhesive for plywood. It is a low-molecular-weight prepolymer with over 95% urea-formaldehyde units, fitting the urea resin classification.

Low-Formaldehyde Emission Urea Resin

Scavenger-modified urea-formaldehyde resin powder with reduced free formaldehyde, used for interior paneling. The core urea resin exceeds 95% content, and the modification does not alter its classification as a urea resin in primary form.

Melamine-Urea-Formaldehyde (MUF) Copolymer Resin

Melamine-urea-formaldehyde copolymer resin where urea-formaldehyde units predominate by over 95% by weight, used in laminated wood panels. It is classified as a urea resin under the subheading note's monomer predominance rule.

Spray-Dried Urea Formaldehyde Microcapsules

Spray-dried urea-formaldehyde resin microcapsules in primary powder form, used for controlled-release applications. The polymer shell is chemically unmodified and exceeds 95% urea-formaldehyde content, fitting the urea resin classification.

Thiourea-Formaldehyde Resin Granules

Thiourea-formaldehyde resin granules in primary form, a sulfur analog of urea resins used in specialty adhesives. It is explicitly named in the tariff item as a thiourea resin, qualifying for classification here.