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HTS heading 5501: Synthetic filament tow

Heading 5501 of the US Harmonized Tariff Schedule covers Synthetic filament tow. Below: every rated tariff line in it with its general duty rate, Section 301 China status and exclusions, then a page per line with a free duty calculator.

Official USITC HTS, 2026HTSRev22 · check on hts.usitc.gov

Heading 5501 at a glance

Goods named in this heading (official line texts): Of aramids, Of polyesters, Acrylic or modacrylic, Of polypropylene.

Subheadings (6-digit)

All tariff lines in heading 5501

LineDescriptionGeneralSection 301 (China)Exclusions
5501.11.00Of nylon or other polyamides: Of aramids7.5%List 3 +25%
5501.19.00Of nylon or other polyamides: Other7.5%List 3 +25%
5501.20.00Synthetic filament tow: Of polyesters7.5%List 3 +25%
5501.30.00Synthetic filament tow: Acrylic or modacrylic7.5%List 3 +25%
5501.40.00Synthetic filament tow: Of polypropylene7.5%List 3 +25%
5501.90.01Synthetic filament tow: Other7.5%List 3 +25%

All of chapter 55 · Chapter 55 rate summary · HTS lookup

General information from the official US Harmonized Tariff Schedule (USITC) and USTR Section 301 notices in HTS Chapter 99; not legal or customs advice. Classification is decided by CBP; confirm with a licensed customs broker or a CBP binding ruling.

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