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HTS heading 5503: Synthetic staple fibers, not carded, combed or otherwise processed for spinning

Heading 5503 of the US Harmonized Tariff Schedule covers Synthetic staple fibers, not carded, combed or otherwise processed for spinning. 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 5503 at a glance

Goods named in this heading (official line texts): Of aramids, Containing 10 percent or more by weight of nylon 12, Of polyesters, Acrylic or mo…, Of polypropyl…, Of vinyon.

Subheadings (6-digit)

All tariff lines in heading 5503

LineDescriptionGeneralSection 301 (China)Exclusions
5503.11.00Of nylon or other polyamides: Of aramids4.3%List 3 +25%
5503.19.10Containing 10 percent or more by weight of nylon 12FreeList 3 +25%
5503.19.90Other: Other4.3%List 3 +25%
5503.20.00Synthetic staple fibers, not carded, combed or otherwise processed for spinning: Of polyesters4.3%List 3 +25%
5503.30.00Synthetic staple fibers, not carded, combed or otherwise processed for spinning: Acrylic or mo…4.3%List 3 +25%
5503.40.00Synthetic staple fibers, not carded, combed or otherwise processed for spinning: Of polypropyl…4.3%List 3 +25%
5503.90.10Other: Of vinyonFreeList 3 +25%
5503.90.90Other: Other4.3%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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