Difluoromethane (R-32) From China; Determination
The Federal Register published a determination regarding difluoromethane (R-32) from China, likely initiating or continuing an antidumping or countervailing duty investigation. Importers of R-32 from China may face new or increased duties.
Aforeworn detected this change in the Small Cross-Border Importers space on August 4, 2026 and published this briefing so affected operators are forewarned rather than caught off guard. It is rated Medium urgency. Importers of difluoromethane (R-32) sourced from China, including HVAC refrigerant distributors and related chemical importers. should confirm how it applies to their specific situation before acting. There is a time constraint attached: Not specified in the excerpt.. Acting after that point can mean penalties, a lapsed licence, or lost eligibility — exactly the kind of surprise Aforeworn exists to prevent. Aforeworn monitors Small Cross-Border Importers continuously and turns every detected change into a plain-English briefing like this one, so you always know first. Forewarned is forearmed.
What changed
A determination has been issued concerning difluoromethane (R-32) from China, which may lead to the imposition of antidumping or countervailing duties. Specific duty rates or effective dates are not provided in the excerpt.
Who it affects
Importers of difluoromethane (R-32) sourced from China, including HVAC refrigerant distributors and related chemical importers.
What you must do
Monitor the Federal Register for the full determination and any subsequent notices regarding duty rates and effective dates. Review current import classifications and supply contracts for R-32 from China.
Deadline
Not specified in the excerpt.
Never miss a change like this again
Aforeworn watches Small Cross-Border Importers around the clock and alerts you the moment a rule moves — with a plain-English brief on what to do.
Start your free trialRelated changes in Small Cross-Border Importers
- Linear Hydraulic Cylinders From Canada, China, India, Mexico, and South Korea; Institution of Antidumping and Countervailing Duty Investigations and Scheduling of Preliminary Phase Investigations
- Corrosion Inhibitors From China; Determinations
- Certain Portable Power Stations and Packaging Therefor; Notice of Commission Determination To Institute a Modification Proceeding; Modify a Limited Exclusion Order; and Terminate the Modification Proceeding
- Certain Computer Cables, Chargers, Adapters, Peripheral Devices and Packaging Containing the Same; Notice of Commission Determination To Institute a Rescission Proceeding; Rescind a Limited Exclusion Order; and Terminate the Rescission Proceeding
- Shadow Wolves - ice.gov