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.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | 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.
If the resin is blended with phenolic resins exceeding 5% by weight
Phenolic resin content would reclassify the product under phenolic 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 — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Ensure the product is in primary form (granules)
• Provide the chemical composition and sulfur content to CBSA for verification
• Check if the resin meets Canadian regulations for specialty adhesive applications
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.
Urea-Formaldehyde Resin Powder
Urea-formaldehyde resin powder produced by condensing urea and formaldehyde, used in wood adhesives and particleboard production. It is a primary-form urea resin with over 95% polymer content, fitting this tariff item.