High Tenacity Polyester Sewing Thread Coated with PTFE
> This is a high tenacity polyester sewing thread coated with polytetrafluoroethylene (PTFE) to reduce friction and improve abrasion resistance. The coating is visible to the naked eye, which places it under tariff item 5604.90.00 as a textile yarn impregnated, coated, covered or sheathed with plastics. It is used in industrial sewing applications such as upholstery and sailmaking.
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 |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the PTFE coating is not visible to the naked eye
Yarn with invisible impregnation or coating is classified in Chapter 54 as polyester yarn.
If the yarn is twisted into cordage exceeding 10,000 decitex
Thick coated yarns used as cordage may fall under twine, cordage, ropes and cables.
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 PTFE coating is visible without magnification, as invisible coatings fall under Chapters 50-55
• Keep technical data sheets showing the coating and tenacity to support classification
• Verify the yarn's decitex to confirm it is not classifiable as twine or cordage
Related Products under Tariff item 5604.90.00
Cotton Yarn Plastic Coated
> This cotton yarn is coated with polyethylene plastic for outdoor upholstery wicks and marine rope cores. The plastic coating is visible and provides weather resistance, classifying it under tariff item 5604.90.00 as a textile yarn coated with plastics. The product is used in applications requiring durability and moisture resistance.
Elastic Knitting Yarn Rubber Coated
> This specialty yarn for knitting machines has a rubber coating over an elastic core, used in sock and glove production. The rubber coating is visible and provides elasticity and grip, classifying it under tariff item 5604.90.00 as a textile yarn coated with rubber. The product is fed into knitting machines for elastic garments.
Monofilament Strip PVC Covered
> This synthetic monofilament strip from heading 5404 is covered with PVC for greenhouse ties and packaging strapping. The PVC covering is visible and provides UV resistance, classifying it under tariff item 5604.90.00 as strip of heading 5404 coated with plastics. The product is used in agricultural and packaging applications.
Nylon 6.6 High Tenacity Cordage Yarn with Polyurethane Coating
> This product is a high tenacity nylon 6.6 yarn coated with polyurethane for water resistance and UV protection, used in climbing ropes and safety nets. The polyurethane coating is visible and imparts a distinct surface layer, qualifying it as a coated textile yarn under tariff item 5604.90.00. The polyamide composition does not affect classification since the heading covers all textile yarns with visible rubber or plastic coatings.
Nylon High Tenacity Fishing Line Yarn Coated with PVC
> This is a high tenacity nylon yarn coated with PVC for fishing lines, enhancing knot strength and abrasion resistance. The PVC coating is visible and forms a continuous sheath, classifying it under tariff item 5604.90.00 as a textile yarn coated with plastics. The product is distinct from monofilament lines of Chapter 39 because it is a multifilament yarn.
Nylon Strip Plastic Sheathed
> This strip of nylon from heading 5404 is sheathed with plastic for use in conveyor belts and flexible packaging seals. The plastic sheath is visible and provides abrasion resistance, classifying it under tariff item 5604.90.00 as strip of heading 5404 coated with plastics. The product is used in industrial applications.