Harmonized Tariff Schedule of the United States · HTS code · HS 3921.90

3921.90.21

3921.90.21: Other plastic plates, sheets and film: Products with textile components in which cotton predominates by weight over any other single textile fiber

Other plastic plates, sheets and film

Not declarable on its own: use one of its 1 subdivisions Data: Harmonized Tariff Schedule of the United States · checked on 24 October 2026

  1. 3921 Other plates, sheets, film, foil and strip, of plastics:
  2. 3921.90 Other:
  3. Combined with textile materials and weighing more than 1.492 kg/m2:
  4. 3921.90.21 Products with textile components in which cotton predominates by weight over any other single textile fiber

What you pay

Importing into USA

Customs duty 6.5% standard rate depends on the country of origin
Additional duties and charges 1 additional measure
VAT no federal VAT; a Merchandise Processing Fee of 0.3464 % is charged on formal entries
Duty calculatorCalculate duty and taxes →

US additional duties of HTS chapter 99 in force on 22 October 2026 are included (Section 301, 232, 338 and 201). IEEPA duties are no longer collected after the Supreme Court ruling of February 2026. Conditional exemptions (US content, end use, metal share) are not computed: check the provision.

Additional duties and import rules

Charges on top of the customs duty, and rules the goods must meet at the border.

Additional duties and charges 1

  • Additional dutySection 301 — China — technology transfer, IP and innovation (2018 actions and 2024 four-year review) 25%
    Applies to goods from
    China
    In force
    from 23 August 2018
    Legal act
    HTSUS 9903.88.02

Preferential rates by country

Agreement or schemeCountriesRate
General (MFN)—6.5%
US–Australia FTA AUAustraliaFree
US–Bahrain FTA BHBahrainFree
US–Chile FTA CLChileFree
US–Colombia TPA COColombiaFree
US–Israel FTA ILIsraelFree
US–Jordan FTA JOJordanFree
US–Korea FTA KRSouth KoreaFree
US–Morocco FTA MAMoroccoFree
US–Oman FTA OMOmanFree
CAFTA-DR PCosta Rica, Dominican Republic, El Salvador, Guatemala, Honduras, NicaraguaFree
US–Panama TPA PAPanamaFree
US–Peru TPA PEPeruFree
USMCA SCanada, MexicoFree
US–Singapore FTA SGSingaporeFree
Column 2Cuba, North Korea, Russia, Belarus40%

Special: reduced rates under trade agreements and preference programmes; the letters in brackets name the programmes (for example AU = Australia FTA, KR = Korea FTA).

Same subheading in other tariffs

3921.90 Other plates, sheets, film, foil and strip, of plastics: other

USA lines: 3921.90

Binding rulings for similar goods

Decisions of U.S. Customs and Border Protection (CROSS) and HMRC (Advance Tariff Rulings) on goods classified here. A ruling binds only its holder, but shows how the authorities classify similar goods. The descriptions are the authorities’ own, in English.

  • N354186 U.S. CBP 21 August 2026 · 3921.90.15.00

    Classification and country of origin determination for ballistic-grade unidirectional fabrics; 19 CFR 102.21(c)(1), 19 CFR 102.21(c)(2); tariff shift; 19 C.F.R. 102.20; substantial transformation

  • N362535 U.S. CBP 1 July 2026 · 3921.90.15.00

    The tariff classification of acrylic sheets and self-adhesive acrylic sheets from South Korea. Correction to Ruling Number N361182

  • N362111 U.S. CBP 10 June 2026 · 3921.90.40.90

    The tariff classification of phenolic resin-based film reinforced with glass fiber (prepreg) from the United Kingdom

  • N361182 U.S. CBP 21 May 2026 · 3921.90.15.00

    The tariff classification of acrylic sheets and self-adhesive acrylic sheets from South Korea

  • 600013539 HMRC 12 November 2025 – 11 November 2028 · 3921 90 60 90

    Laminates that are used for machining fabrication into various parts. They are made from thermosetting unsaturated polyester resin, polyester woven textile & solid additives. The laminates have undergone additional polymerisation. The laminates can come in a variety of sizes. They are packed in…

  • 600013543 HMRC 14 October 2025 – 13 October 2028 · 3921 90 60 90

    Low friction pads used in various machinery. They are used for providing low friction, low wear running surface between sliding/moving metal parts. They are made from thermosetting unsaturated polyester resin (addition polymerization), polyester woven textile reinforcement and solid additives. The…

  • 600013541 HMRC 9 October 2025 – 8 October 2028 · 3921 90 60 90

    Strips that are used for machining fabrication parts. They are made from thermosetting unsaturated polyester resin, polyester woven textile, solid additives. The strips have undergone additional polymerisation. The product comes in various sizes. They are packed in cardboard boxes.

  • 600010673 HMRC 10 July 2024 – 9 July 2027 · 3921 90 10 90

    A rectangular plastic sheet made from polyester resin reinforced with a glass fibre mat. Materials: (65% +/- 5%) polyester resin and (35% +/- 5%) glass fibre. Dimensions: up to 20 metres long, 300, 600 and 900 mm widths, 2mm (approx) thickness. Function: Flat flushing for use as a continuous…

41 rulings in total for this code

Legal notes

Notes

Chapter notes: Chapter 39 →

In the Harmonized Tariff Schedule of the United States, 3921.90.21 is one of 8 lines under subheading 3921.90, other plates, sheets, film, foil and strip, of plastics: other.

The general duty is 6.5%, and quantities are declared in m2, kg.

For the same subheading, the UK duty is 6%, the EU duty is 6.5%, the Türkiye duty is 6.5%, the Canada duty is free, the Mexico duty is 7%–25%, the Brazil duty is 0%–14.4%, the Argentina duty is 0%–16%, the Peru duty is 6%, the New Zealand duty is 0%–5%, the Japan duty is 4.1%, the Taiwan duty is 1%–6.5%, the GCC duty is 5%, the Switzerland duty is free, the Norway duty is free, the North Macedonia duty is 6% and the Nigeria duty is 10%–20%.

The United States imported goods of subheading 3921.90 worth US$2bn in 2024; the largest supplier was Canada.

Questions and answers

What is the USA import duty for HTS code 3921.90.21?

The general duty in the Harmonized Tariff Schedule of the United States is 6.5%; the supplementary unit is m2, kg. Preferential rates for goods from agreement countries, anti-dumping duties and VAT are not included.

Is there a lower rate for 3921.90.21 under US trade agreements?

Yes. The Special column reads “Free (A+,AU, BH, CL, CO,D,E*,IL, JO, KR, MA, OM,P, PA, PE,S, SG)”: the letters in brackets name the agreements and programmes that grant it.

Where does the United States import these goods from?

For subheading 3921.90 as a whole, the largest supplier in 2024 was Canada (US$376m), followed by Germany.

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