5503.90.90.00

Other

Synthetic staple fibers, not carded, combed or otherwise processed for spinning: Other

Unit: kg Heading: 5503 Chapter: 55 As of May 1, 2026

Duty rates

Column 1 (General / MFN)

4.3%

Column 2 (Non-NTR)

25%

Column 1 (Special / FTA)

Free

Eligible

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The rates above are statutory column rates. Trade remedies in Chapter 99 (Section 301, 232, IEEPA, reciprocal) and FTA preferences can change the duty owed on a given entry — see below.

Trade measures (Chapter 99)

9903.03.01

The duty provided in the applicable subheading + 10%

Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

Effective from February 24, 2026 through July 24, 2026

9903.03.02

The duty provided in the applicable subheading

Articles the product of any country that (1) were loaded onto a vessel at the port of loading and in transit on the final mode of transit prior to entry into the United States, before 12:01 a.m. eastern standard time on February 24, 2026; and (2) are entered for consumption, or withdrawn from warehouse for consumption, before 12:01 a.m. eastern standard time on February 28, 2026

Effective from February 24, 2026 through July 24, 2026

9903.03.03

The duty provided in the applicable subheading

Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter

Effective from February 24, 2026 through July 24, 2026

9903.03.04

The duty provided in the applicable subheading

Articles the product of any country, as provided for in subdivision (aa)(iii) of U.S. note 2 to this subchapter

Effective from February 24, 2026 through July 24, 2026

9903.03.05

The duty provided in the applicable subheading

Articles of civil aircraft (all aircraft other than military aircraft); their engines, parts and components; their other parts, components and subassemblies; and ground flight simulators and their parts and components of any country, provided for in subdivision (aa)(iv) of U.S. note 2 to this subchapter

Effective from February 24, 2026 through July 24, 2026

9903.03.06

The duty provided in the applicable subheading

Articles of aluminum, of steel, or of copper or derivative aluminum or steel articles; passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; parts of passenger vehicles (sedans, sport utility vehicles, crossover utility vehicles, minivans, and cargo vans) and light trucks; medium- and heavy-duty vehicles; parts of medium- and heavy-duty vehicles; wood products; and semiconductor articles, of any country, as provided in subdivision (aa)(v) of U.S. note 2 to this subchapter

Effective from February 24, 2026 through July 24, 2026

9903.03.07

The duty provided in the applicable subheading

Articles the product of Canada, as provided for in subdivision (aa)(vi) of U.S. note 2 to this subchapter

Applies to origin: CA

Effective from February 24, 2026 through July 24, 2026

9903.03.08

The duty provided in the applicable subheading

Articles the product of Mexico, as provided for in subdivision (aa)(vii) of U.S. note 2 to this subchapter

Applies to origin: MX

Effective from February 24, 2026 through July 24, 2026

9903.03.09

The duty provided in the applicable subheading

Articles of textiles or apparel the product of Costa Rica, the Dominican Republic, El Salvador, Guatemala, Honduras or Nicaragua, as provided for in subdivision (aa)(viii) of U.S. note 2 to this subchapter

Applies to origin: CR, SV, GT, HN, NI, DO

Effective from February 24, 2026 through July 24, 2026

9903.03.10

The duty provided in the applicable subheading

Articles that are donations, by persons subject to the jurisdiction of the United States, such as food, clothing and medicine, intended to be used to relieve human suffering

Effective from February 24, 2026 through July 24, 2026

9903.03.11

The duty provided in the applicable subheading

Articles that are informational materials, including but not limited to publications, films, posters, phonograph records, photographs, microfilms, microfiche, tapes, compact disks, CD ROMs, artworks and news wire feeds

Applies to origin: IL

Effective from February 24, 2026 through July 24, 2026

9903.88.03

LIST_1

The duty provided in the applicable subheading + 25%

Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)

Applies to origin: CN

Effective from August 23, 2018

Related CBP rulings

N332513 March 28, 2024

The tariff classification of polyester staple fibers from Nigeria

The samples will be retained for training purposes. Item# 7D X 32MM HCS, 7D X 51 MM HCS, 7D X 64MM HCS (described as Hollow Conjugated Siliconized) and 15D X 64 MM HC, and 15D X 51 MM HC (described as Hollow Conjugated) are staple fibers co

N326318 December 16, 2022

The tariff classification of diffuser sticks from China.

The sample will be retained for reference purposes. Item #4549892456213, described as a “Fiber Reed Stick,” is a diffuser stick designed to be partially inserted into a jar filled with scented oil, where it will act as a wick that releases

N320562 March 1, 2022

The tariff classification of polylactic acid fiber from China

The sample will be retained for reference purposes. The sample, described as IMPLA fiber, is a staple fiber composed of 100 percent PLA with uniform lengths of 28 to 30 millimeters.

N304429 June 11, 2019

The tariff classification of polyester staple fibers from Germany

You submitted a description of polyester staple fibers.

N304143 May 21, 2019

The tariff classification of polypropylene fiber from Italy

You submitted a description of polypropylene fibers.

N304142 May 21, 2019

The tariff classification of polyester fibers from Italy

The tariff classification of polyester fibers from Italy

N300092 September 10, 2018

The tariff classification of “Fluffy Basket Filler” in the form of polyester staple fibers from China

You submitted sample item 9044481 called, “Fluffy Basket Filler which is 100 percent polyester staple fibers. It will be imported in three colors - pink, purple and green, and will be packaged and sold in a 1.5 ounce retail bag. The fluffy

H290258 June 19, 2018

Modification of NY N287930; NAFTA country of origin marking; pillows

Modification of NY N287930; NAFTA country of origin marking; pillows

H292848 February 1, 2018

NAFTA eligibility; pillows

The merchandise subject to the ruling letter at issue are pillows classified under subheadings 9404.90.10 and 9404.90.20, Harmonized Tariff Schedule of the United States (“HTSUS”). You state that the outer zippered cover of the pillows will

H282781 September 12, 2017

Tariff classification of nonwoven geotextile fabrics manufactured in a Foreign Trade Zone from privileged foreign status polypropylene staple fiber and tariff classification of rolls or bales of trimmings/cuttings of fabric resulting from the production of the nonwoven geotextile fabrics

You indicate that the SKAPS’ facility in Athens, Georgia, which is a FTZ, manufactures nonwoven geotextile fabrics from privileged foreign and domestic polypropylene staple fiber. You explain the production process as follows: In order to c

N279579 October 20, 2016

The tariff classification of polyamide bi-component fiber from Switzerland

You submitted a sample identified as Grilon® Fiber, PA-BIKO, Type EP 1236, and raw, white, bright, round. Grilon®, is a polyamide (nylon) bi-component fiber made from the extrusion of copolyamides. Grilon® is the registered brand name for t

N259662 December 15, 2014

The tariff classification of polyester staple fibers from Mexico

You submitted a sample of what you describe as Flexsteel item #42512, virgin conjugate 7 denier (which converts to 7.77 decitex), 64 millimeter, hollow, slick conjugated polyester staple fibers. We assume from the description that the fiber

Other codes in heading 5503

View all codes in heading 5503 →

Duty by origin country

The rate above is the statutory base. Total landed duty depends on origin — see the calculated rate for 5503.90.90.00 from each major US trading partner.

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