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AGAS - Together we can


R508B is a perfluorocarbon-based refrigerant, used as a replacement for R13 and R503 in very low-temperature applications. 

Product Information



  • Available from A‑Gas wholesale partners - find your local distributor for further details
  • A‑Gas product cylinders are fitted with a Residual Pressure Device (RPD) to ensure used refrigerant or any other substance cannot be reintroduced into a cylinder
  • Store cylinders in a cool, dry, well-ventilated area, out of direct sunlight
  • A‑Gas operates a returnable cylinder fleet - empty cylinders are to be returned to an A‑Gas wholesale partner
  • For alternative or larger package sizes please contact A-Gas on 1800 002 427 or via the Contact Us form


Commercial Refrigeration

Industrial Refrigeration


*Medical freezers, environmental chambers

Product Features and Benefits

  • Substitute for R13 and R503 at very low temperatures (-400°C to -1010°C)
  • Azeotropic blend
  • PFC-based refrigerant
  • Offers advantage over R23 including significantly lower discharge temperatures
  • Non-flammable, non-ozone depleting, safety classification of A1
  • Compressor to be charged with POE oil - contact the compressor manufacturer for more information

The information contained within this website is for guidance only - for further system-specific advice please contact us directly.

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