Industrial Polypropylene Filter Tow
Continuous polypropylene filament tow engineered for high-filtration media in air and liquid filters. It is imported as uncut synthetic tow of polypropylene, classifiable under tariff item 5501.40.00 before processing into filter felts.
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 processed into nonwoven filter fabric
Nonwoven filter media falls under heading 56.03, not filament tow.
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 tow is not yet needled or formed into filter media, as that would change classification
• Provide specifications showing the tow meets chapter note 1 (length, twist, decitex)
• Be ready to describe the filtration end-use to CBSA
Related Products under Tariff item 5501.40.00
Bicomponent Polypropylene Tow
Bicomponent polypropylene filament tow with a sheath-core structure, designed for splittable nonwoven production. It consists of parallel polypropylene filaments meeting the specifications of heading 55.01, including a tow length exceeding 2 m and a total measurement exceeding 20,000 decitex.
Conductive Polypropylene Tow
Polypropylene filament tow infused with carbon for conductivity, used in antistatic packaging fabrics. The carbon additive does not alter the essential character of the polypropylene tow, which remains classifiable under heading 55.01 as synthetic filament tow.
Continuous Polypropylene Filament Tow for Ropes
High-tenacity polypropylene filament tow intended for twisting into ropes and twines. Imported as aligned, uncut filament tow, it meets the specifications of heading 55.01 and is classifiable under tariff item 5501.40.00.
High-Denier Polypropylene Tow for Big Bags
Heavy-denier polypropylene filament tow for weaving bulk bags (FIBC) and container liners. As uncut synthetic tow of polypropylene, it qualifies under tariff item 5501.40.00 before conversion into yarns or fabrics.
Polypropylene Flame-Retardant Tow
Flame-retardant treated polypropylene filament tow for protective upholstery and curtains. The functional finish does not remove it from heading 55.01, as the base material remains polypropylene synthetic tow.
Polypropylene Microfilament Tow
Ultra-fine microdenier polypropylene tow for premium nonwoven wipes and filtration. It consists of parallel polypropylene filaments meeting heading 55.01 specifications, including filament decitex below 67.