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International trade

Final Phase of Antidumping Investigation on Methylene Diphenyl Diisocyanate (MDI) from China

Strategic Insights

— 2 min read

The U.S. International Trade Commission has announced the scheduling of the final phase of an antidumping investigation on methylene diphenyl diisocyanate (MDI) from China, with imports preliminarily determined to be sold at less-than-fair-value. The investigation was requested by the MDI Fair Trade Coalition, consisting of BASF Corporation and The Dow Chemical Company. The Commission will hold a hearing on January 27, 2026, and written submissions are due on January 20 and February 3, 2026.

Key Takeaways:

  • The U.S. International Trade Commission has scheduled the final phase of an antidumping investigation on methylene diphenyl diisocyanate (MDI) from China.
  • The investigation was requested by the MDI Fair Trade Coalition, consisting of BASF Corporation and The Dow Chemical Company.
  • The investigation was initiated due to an affirmative preliminary determination by the Department of Commerce that imports of MDI from China are being sold in the United States at less-than-fair-value.
  • The scope of the investigation includes merchandise matching a specific description, including MDI that has been processed in a third country or commingled with MDI from sources not subject to this investigation.
  • The investigation will be conducted under authority of title VII of the Tariff Act of 1930, and interested parties may participate in the investigation by filing an entry of appearance with the Secretary to the Commission.
  • Parties must submit written testimony and presentation slides in connection with their presentation at the hearing by January 26, 2026.
  • The Commission will make available to parties all information on which they have not had an opportunity to comment on February 20, 2026.

Statistics:

  • 21 days prior to the hearing date specified in the notice, parties must file an entry of appearance with the Secretary to the Commission.
  • 21 days prior to the hearing date specified in the notice, parties must submit written testimony and presentation slides in connection with their presentation at the hearing.
  • January 22, 2026, is the deadline for parties to file requests to appear at the hearing.
  • February 3, 2026, is the deadline for parties to submit written statements of information pertinent to the subject of the investigation.
  • February 20, 2026, is the date by which the Commission will make available to parties all information on which they have not had an opportunity to comment.

Sources:

  • [19 U.S.C. 1673d(b)] - Section 735(b) of the Tariff Act of 1930
  • [19 U.S.C. 1673b] - Section 733 of the Tariff Act of 1930
  • [19 U.S.C. 1677(9)] - Definition of interested parties
  • [19 CFR part 201] - Commission's Rules of Practice and Procedure, part 201, subparts A and B
  • [19 CFR part 207] - Commission's Rules of Practice and Procedure, part 207, subparts A and C
  • [202-205-3358] - Phone number for further information
  • [https://www.usitc.gov] - Commission's website
  • [https://edis.usitc.gov] - Commission's electronic docket (EDIS)
  • [https://www.usitc.gov/calendarpad/calendar.html] - Commission's calendar page
  • [https://www.usitc.gov/documents/handbook_on_filing_procedures.pdf] - Commission's Handbook on Filing Procedures
  • [FR Doc. 2025-18666 Filed 9-24-25; 8:45 am] - Federal Register document

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