The Ministries of Japan published Cabinet Order No. 343 of 2023, which amends the Act on the Evaluation of Chemical Substances and Regulation of their Manufacturer etc., on 1 December 2023. The proposed order restricts the utilization of PFHxS, its salts, and their isomers in the following products. This order will go into force on 1 February 2024.

Beginning on 1 June 2024, the following products containing PFHxS, its salts, and its isomers will not be allowed for importation.

  • Water resistant and oil resistant textile;
  • Etching agent used for metal processing;
  • Etching agents used in the manufacture of semiconductors;
  • Surface treatment agent for plating or preparation;
  • Antireflection agent for use in semiconductor manufacturing;
  • Resist for semiconductor.
  • Water repellent, haze oil and fiber protecting agent;
  • Fire extinguisher, fire-extinguishing agent, and fire-extinguishing foam;
  • Water resistant and oil resistant clothes;
  • Water repellent and oil repellent floor covering;

You can refer to the regulation here for more details.