Skip to content
AGAS - Together we can

R452B (XL55)

R452B (also known as Chemours' Opteon™ XL55 or Honeywell's Solstice® L41y) is a refrigerant with low flammability and a GWP of less than 700. It is used as a replacement for R410A in newly developed positive displacement refrigeration systems and reversible heating systems. R452B offers comparable efficiency and capacity to R410A and has a significantly lower discharge gas temperature than R32.

Packing Information







  • Available from A‑Gas wholesale partners - find a supplier
  • 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 01275376600 or via the Contact Us form



*Direct evaporating air conditioners, heat pumps and refrigeration systems

Product Features & Benefits

  • GWP: 698
  • Zeotropic refrigerant mixture
  • Very similar properties to R410A: improved performance, design compatibility, and same discharge gas temperature
  • Non-toxic and mildly flammable (A2L)
  • Miscible with polyolester lubricants
  • The information contained within this website is for guidance only - for further system-specific advice please contact us directly