Industrial Polypropylene Filter Tow
Continuous polypropylene filament tow engineered for high-filtration media in air and liquid filters. Under HTS 5501.40.00.00 as polypropylene synthetic tow, used before needling or splitting into filter felts. Offers chemical resistance for industrial applications.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If for retail consumer filters if cut to staple
Staple fiber form for needlepunched felts uses 5503.40.
If specialized for industrial filtration textile
Textile fabrics for technical filtration shift to Chapter 59.
If of nylon or polyamide composition
Nylon filter tow classified under 5501.20 due to material difference.
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Import Tips & Compliance
• Document micron retention specs to justify tow form; ensure no pre-impregnation
• Avoid pitfall of 5608 classification if loosely felted
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