R-22 is subject to phaseout as an HCFC under the Montreal Protocol. Please read the file (U.S. only), U.S. R-22 Outlook: The time to act is now to transition from R-22, to learn about the reasons why it is important for you to plan now for changes in refrigeration and air conditioning.

These quick links offer information about the DuPont refrigerants used most frequently in supermarket systems.  Refer to our DuPont™ ISCEON® 9 Series Refrigerants for easy use, mineral oil compatible, and non-ozone depleting retrofit solutions to help supermarkets move away from CFCs and HCFCs. Refer to Emerson Technologies Changeover Guidelines, which now include R-22 to ISCEON® MO29 (R-422D) and ISCEON® MO79 (R-422A).

Refrigeration

• ISCEON® MO79 (R-422A)
• ISCEON® MO29 (R-422D)
• ISCEON® MO59 (R-417A)
• Suva® HP80 (R-402A)
• Suva® MP39 (R-401A)
• Suva® 404A (R-404A)
• Suva® 408A (R-408A)
• Suva® 409A (R-409A)
• Suva® 507 (R-507)

Air Conditioning

• ISCEON® MO29 (R-422D)
• ISCEON® MO59 (R-417A)
• Suva® 407C (R-407C)
• Suva® 410A (R-410A)

Services

• For U.S. customers, contact your DuPont Refrigerants Distributor for details regarding the DuPont Refrigerant Management program for recovering refrigerants (R-22, etc.).
  
• For Canadian customers, contact your DuPont Distributor for details regarding the Canadian Refrigerant Reclamation program.