Antidumping Order on China R-32 Extended
Published Date: 8/11/2026
Notice
Summary
As a result of the determinations by the U.S. Department of Commerce (Commerce) and the U.S. International Trade Commission (ITC) that revocation of the antidumping duty (AD) order on difluoromethane (R-32) from the People's Republic of China (China) would likely lead to the continuation or recurrence of dumping and material injury to an industry in the United States, Commerce is publishing a notice of continuation of this AD order.
Analyzed Economic Effects
2 provisions identified: 0 benefits, 1 costs, 1 mixed.
Antidumping Duties Continue on R-32
If you import difluoromethane (R-32) from the People’s Republic of China, U.S. Customs and Border Protection will continue to collect antidumping (AD) cash deposits at the rates in effect at the time of entry. This continuation is effective August 4, 2026, and applies to all imports of the subject merchandise.
Which R-32 Products Are Covered
The Order covers difluoromethane (R-32) (CAS 75-10-5, formula CH2F2) regardless of form, type, or purity, including R-32 processed in a third country or the United States. Blends are included if they contain 85% or more R-32 by volume when blended with products other than R-125, or more than 52% R-32 by volume when blended with R-125; merchandise covered by the hydrofluorocarbon blends antidumping order (81 FR 55436, August 19, 2016) is excluded. The notice lists HTSUS subheading 2903.39.2035 and possible related subheadings 2903.39.2045 and 3824.78.0020 for customs reference.
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