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Man-Made Filaments from United Kingdom Tariff: 10% (2026)

Tariff Rate Breakdown

10%

Section 122 Base

10%

Effective Rate

Among US trading partners for man-made filaments, United Kingdom plays a notable role, with approximately $138B in total bilateral trade.

As of mid-2026, man-made filaments imports from United Kingdom face a base tariff rate of 10% under the Section 301 forced-labor tariff (a two-tier 10%/12.5% duty), which replaced the flat 10% Section 122 rate when it expired July 24, 2026. Section 122 had itself replaced the IEEPA reciprocal tariff following the Supreme Court's 6-3 ruling in Learning Resources v. Trump (with V.O.S. Selections) on February 20, 2026.

Under the Trade Act of 1974, Section 122 tariffs are limited to 150 days, so the flat 10% Section 122 rate expired on July 24, 2026. It was replaced the same day by USTR's Section 301 forced-labor tariff, and United Kingdom's current 10% base surcharge is that two-tier (10%/12.5%) rate.

Man-Made Filaments (HTS Chapter 54) carry an average MFN duty rate of 8% in addition to the base forced-labor tariff. No additional Section 232 or Section 301 surcharges apply to most products in this category from United Kingdom.

Key products in HTS Chapter 54 imported from United Kingdom include Polyester filament yarn, Nylon filament yarn, Rayon filament fabric, Polypropylene yarn, Synthetic sewing thread, and Woven polyester fabric.

Common Products in Chapter 54

Polyester filament yarnNylon filament yarnRayon filament fabricPolypropylene yarnSynthetic sewing threadWoven polyester fabric

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Frequently Asked Questions

What is the current tariff rate on man-made filaments from United Kingdom?

As of mid-2026, man-made filaments from United Kingdom face a base tariff of 10% under the Section 301 forced-labor tariff, which replaced the flat 10% Section 122 rate on July 24, 2026. The effective rate is about 10% on the most-affected products.

Will the tariff on man-made filaments from United Kingdom change?

The flat 10% Section 122 tariff expired July 24, 2026 and was replaced the same day by the Section 301 forced-labor tariff; United Kingdom's current 10% base surcharge is that two-tier (10%/12.5%) rate, covering roughly 60 economies. In August 2026, 25 states sued to block the forced-labor tariff, but CBP continues collecting it while the case proceeds.

How did the Supreme Court ruling affect man-made filaments imports from United Kingdom?

The Supreme Court's February 20, 2026 ruling struck down IEEPA reciprocal tariffs as exceeding presidential authority. The president signed a replacement flat 10% tariff under Section 122 the same day, effective February 24; that rate expired July 24, 2026 and was replaced by the Section 301 forced-labor tariff (now 10% for United Kingdom).