UPDATE: Section 122 tariff (10%) in effect since Feb 24 — expires ~July 24 (~126 days). 24 states challenge in court (March 5). USTR launches new Section 301 probes (March 11). EU trade deal vote imminent. Full analysis →

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US Tariffs on Plastics from Thailand — 10% (2026)

Tariff Rate Breakdown

10%

Section 122 Base

10%

Total Effective Rate

Plastics from Thailand represent an important segment of bilateral trade, with approximately $60B in total bilateral trade.

Following the Supreme Court's landmark February 20, 2026 decision striking down IEEPA tariffs, imports of plastics from Thailand are now subject to a 10% tariff under Section 122 of the Trade Act of 1974, effective February 24, 2026.

This 10% rate has a built-in expiration: Section 122 limits presidential tariff authority to 150 days, meaning the tariff expires approximately July 24, 2026 without congressional renewal.

Plastics (HTS Chapter 39) carry an average MFN duty rate of 4.2% in addition to the Section 122 tariff. No additional Section 232 or Section 301 surcharges apply to most products in this category from Thailand.

Key products in HTS Chapter 39 imported from Thailand include Polyethylene, Polypropylene, PVC pipe, PET bottles, Plastic bags, and Plastic containers.

Common Products in Chapter 39

PolyethylenePolypropylenePVC pipePET bottlesPlastic bagsPlastic containersAcrylic sheetsSiliconePolystyrene foam

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Frequently Asked Questions

What is the current tariff rate on plastics from Thailand?

As of March 2026, plastics from Thailand face a base tariff of 10% under Section 122. The effective rate can be up to 10%.

Will the tariff on plastics from Thailand change?

The Section 122 tariff of 10% expires approximately July 24, 2026, unless Congress extends it. Monitor legislative developments for updates.

How did the Supreme Court ruling affect plastics imports from Thailand?

The Supreme Court's February 20, 2026 ruling struck down IEEPA reciprocal tariffs as exceeding presidential authority. The president signed a replacement 10% tariff under Section 122 the same day, effective February 24.