The refrigerant R507 is a blend of HFC 125 and HFC 143a. It has not relevant ODP and it can be considered as a possible alternative to the refrigerant R 22 and to the refrigerant R 502 both in new systems and in those awaiting conversion.

ASHRAE designation and safety classification
R 507 – HFC blend
Safety group A1
Medium-low temperature applications

• Refrigeration
  – commercial
  refrigerated counters and ice making plants, refrigerated vending machines, refrigerated warehouses
  – industrial
  refrigeration systems for the processing industry, chillers
  – domestic
  freezers and domestic refrigerators
• Refrigerated transports

Lubricants

• POE
  lubricant based on polyol esters mostly used by manufacturers of compressors