Certain Monomers and Oligomers From the Republic of Korea: Amended Preliminary Affirmative Determination of Sales at Less Than Fair Value
Published Date: 2/6/2026
Notice
Summary
The U.S. Department of Commerce fixed some math and clerical mistakes in its early decision about certain chemicals (monomers and oligomers) imported from South Korea. This change confirms that these products were sold for less than their fair value during 2024, which could mean extra duties for Korean exporters. The update kicks in starting February 6, 2026, affecting companies like Arkema Inc. and others involved in this trade.
Analyzed Economic Effects
3 provisions identified: 0 benefits, 3 costs, 0 mixed.
Amended Dumping Margins Announced
Commerce amended its preliminary estimated weighted-average dumping margins to 25.07% for Miwon Specialty Chemical Co., Ltd. and 28.52% for 'All Others' for the period January 1, 2024 through December 31, 2024. These amended margins are part of the amended preliminary determination published February 6, 2026.
Cash Deposit Requirement Increased
The collection of cash deposits and suspension of liquidation for imports of the covered monomers and oligomers from Korea will be revised to reflect the amended preliminary rates, and the increased cash deposit rate is effective on the date this notice published, February 6, 2026. Suspension of liquidation instructions will remain in effect until further notice.
Specific Products and HTS Codes Covered
The investigation covers certain multifunctional acrylate and methacrylate monomers and acrylated bisphenol-A epoxy oligomers identified by CAS numbers (for example, 109-16-0; 13048-33-4; 42978-66-5; 3290-92-4; 15625-89-5; 28961-43-5; 57472-68-1; 55818-57-0) and is classifiable under HTSUS subheadings 2916.12.5050, 2916.14.2050, 3824.99.2900, 3907.29.0000, and 3907.30.0000 (and possibly 2916.12.1000 and 3824.99.9397). The period of investigation is January 1, 2024 through December 31, 2024.
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Key Dates
Department and Agencies
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