Modacrylic Tow for Battery Separators
This is a specialty modacrylic filament tow engineered for use in microporous battery separator fabrics, primarily for lithium-ion batteries. The tow consists of parallel filaments with precise denier control, offering the chemical stability required for this high-tech application. It falls under tariff item 5501.30.00 as acrylic or modacrylic synthetic filament tow, meeting the chapter's specifications for tow length, twist, and filament decitex.
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 tow is cut to lengths of 2 m or less
Chapter note 1 excludes tow of 2 m or less from heading 55.01; such synthetic staple fibres fall under heading 55.03.
If the tow is of artificial (not synthetic) fibres and cut to 2 m or less
Artificial filament tow of short length is classified under heading 55.04, not 55.01.
If imported as finished straining cloth or filter fabric
Once woven into a filter medium, the product moves to Chapter 59 as a technical textile.
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 tow meets the chapter note 1 specifications: length over 2 m, twist under 5 turns per metre, filament under 67 decitex, and total tow over 20,000 decitex
• Declare the end use as battery separator fabric to support classification under this item
• Keep technical datasheets on hand in case CBSA requests evidence of the tow's drawn (non-stretchable) nature
Related Products under Tariff item 5501.30.00
Acrylic Bulked Continuous Tow
Texturized acrylic filament tow with bulked crimp for direct conversion to high-loft batts or yarn. Despite bulking, it remains untwisted and meets Chapter 55 Note 1, classified under tariff item 5501.30.00 as acrylic or modacrylic tow.
Acrylic Continuous Filament Tow for Blanket Production
Acrylic continuous filament tow, heavy-denier, used for manufacturing blanket yarns and fillings. This synthetic filament tow meets the specifications of Chapter 55 Note 1, including length over 2 m, twist less than 5 turns per metre, and total measurement over 20,000 decitex, and is classified under tariff item 5501.30.00 as acrylic or modacrylic.
Acrylic Filament Tow for Carpet Yarn
Unprocessed acrylic filament tow consisting of continuous filaments for conversion into carpet yarn. This tow meets the Chapter 55 Note 1 criteria for synthetic filament tow, with parallel filaments of uniform length, and is classified under tariff item 5501.30.00 as acrylic or modacrylic tow.
Acrylic Filament Tow for Hand-Knitting Yarns
Coarse acrylic tow supplied to yarn spinners for creating bulky hand-knitting and craft yarns. This synthetic filament tow remains untextured and ready for drafting, meeting the specifications of Chapter 55 Note 1 for tow, and is classified under tariff item 5501.30.00 as acrylic or modacrylic.
Acrylic Filament Tow for Upholstery Fabrics
Durable acrylic tow with high tenacity for spinning into yarns used in upholstery and outdoor fabrics. This continuous untwisted filament tow meets Chapter 55 Note 1 and is classified under tariff item 5501.30.00 as acrylic or modacrylic tow.
Acrylic Microdenier Tow
Ultra-fine microdenier acrylic filament tow (under 1 denier per filament) for microfiber fabrics and filtration. This specialty fine-denier tow meets Chapter 55 Note 1 and is classified under tariff item 5501.30.00 as acrylic or modacrylic tow.