South Korea

On April 8, 2026, BASF Corporation (“Petitioner”), filed a petition for the imposition of antidumping duties on the import of polytetramethylene ether glycol (“PTMEG”) from China, South Korea, Taiwan, and Vietnam.

SCOPE OF THE INVESTIGATION

The proposed scope of these investigations is as follows:

The merchandise covered by this investigation is polytetramethylene ether glycol (“PTMEG”)

On April 8, 2025 U.S. Customs and Border Protection (“CBP”) issued a Cargo Systems Messaging Service (“CSMS”) Message # 64680374which sets forthadditional guidance on the reporting of reciprocal tariffs set to take effect on April 9, 2025. This guidance is an update to CSMS # 64649265 previously issued on April 4, 2025.

The President 

On April 2, 2024, U.S. Epoxy Resin Producers Ad Hoc Coalition (hereinafter the “Coalition,” or “Petitioner”), filed a petition for the imposition of antidumping and countervailing duties on U.S. imports of certain epoxy resins from China, India, South Korea, Taiwan, and Thailand.

SCOPE OF THE INVESTIGATION

The following language describes the imported merchandise from China

On October 4, 2023, U.S. Aluminum Extruders Coalition (“the Coalition”) and the United Steel, Paper and Forestry, Rubber, Manufacturing, Energy, Allied Industrial and Service Workers International Union (“United Steelworkers” or “USW”) ( collectively, “Petitioners”) filed a petition for the imposition of antidumping duties on Aluminum Extrusions from Colombia, the Dominican Republic, Ecuador, India, Indonesia, Italy

On April 27, 2023, American Brass Rod Fair Trade Coalition (“Coalition”), Mueller Brass Co. (“Mueller”) and Wieland Chase LLC (“Wieland”) (collectively, “Petitioners”), filed a petition for the imposition of antidumping duties on imports of brass rod from Brazil, India, Israel, Mexico, South Africa, and South Korea, as well as the imposition of countervailing duties on

On January 18, 2023, Cleveland-Cliffs Inc. and the United Steel, Paper and Forestry, Rubber, Manufacturing, Energy, Allied Industrial and Service Workers International Union, collectively known as (“Petitioners”), filed a petition for the imposition of antidumping duties on imports of Certain Tin Mill Products from Canada, China, Germany, Netherlands, South Korea, Taiwan, Turkey and the United

On June 30, 2021, Zeon Chemicals L.P. and Zeon GP, LLC (“Petitioners”), filed a petition for the imposition of antidumping duties on imports of non-latex, non-hydrogenated acrylonitrile-butadiene rubber from France, Mexico, and South Korea.

SCOPE OF THE INVESTIGATION

The product covered by this investigation is commonly referred to as acrylonitrile butadiene rubber or nitrile rubber

On March 3, 2020, Petitioner Celanese Corporation filed a petition for the imposition of antidumping duties on imports of ultra-high molecular weight polyethylene from South Korea.

SCOPE OF THE INVESTIGATION

The following language describes the scope of the imported merchandise that Petitioner intends to cover by this Petition:

The merchandise covered by the proposed scope