Spandex Pre-Polymer Resin
A primary form elastomeric polyurethane pre-polymer resin used in the production of spandex fibers for stretch fabrics. It qualifies under tariff item 3909.50.00 due to its high polyurethane monomer content (over 95% by weight) and elastomeric properties.
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 imported as finished spandex fibers.
Finished synthetic fibers fall under Chapter 54.
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
• Confirm the resin is a pre-polymer in primary form, not spun into fibers
• Provide a certificate of analysis showing polyurethane content
• Be aware of textile regulations if the resin is used for spandex production
Related Products under Tariff item 3909.50.00
Bio-Based Elastomeric Polyurethane Resin
A sustainable elastomeric polyurethane resin derived from bio-polyols, supplied in primary form (e.g., pellets or granules) for use in flexible packaging films. It is chemically unmodified and contains over 95% polyurethane monomer content, meeting the classification criteria for polyurethanes under tariff item 3909.50.00.
Conductive Elastomeric Polyurethane Resin
Conductive elastomeric polyurethane resin pellets, filled with less than 5% carbon black, used for ESD flooring and shielding applications. The polyurethane polymer content remains above 95% by weight, and the product is in primary form, qualifying under tariff item 3909.50.00.
Elastomeric Polyurethane for Footwear Sole Resin
Elastomeric polyurethane resin pellets in primary form, designed for reaction injection molding of flexible shoe soles. With 97% polyurethane monomer content and high rebound elastomeric properties, it meets the classification requirements for polyurethanes under tariff item 3909.50.00.
Elastomeric Polyurethane Hot-Melt Adhesive Resin
Thermoplastic elastomeric polyurethane resin in primary form, formulated for hot-melt adhesives used in packaging and footwear bonding. Its elastomeric nature provides flexible bonds, and the polyurethane monomer content exceeds 95%, qualifying under tariff item 3909.50.00.
Elastomeric Polyurethane Reaction Injection Molding Resin
A two-part elastomeric polyurethane system (polyol and isocyanate) imported separately in primary forms for reaction injection molding of automotive fascia. Each component meets the polyurethane predominance criteria, and the system is classified under tariff item 3909.50.00.
Elastomeric Polyurethane Resin for Industrial Coatings
A primary form elastomeric polyurethane polymer used as a base resin for formulating durable industrial coatings and sealants. The monomer units contribute over 95% to the polymer content, and the product is not further processed, placing it under tariff item 3909.50.00.