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RS-52 (R428A)

RS-52 (R428A)

ODP: 0 GWP: 3607
RS-52 (R428A) is a non-flammable blend of R125, R143a, R600a, and R290. RS-52 is a suitable drop-in replacement for R502, R402A, R402B, and R408A. RS-52 is compatible with all materials commonly used in refrigeration systems previously charged with R502. In general, materials which are compatible with R502 can be used with RS-52. It is recommended to check equipment manufacturer’s retrofit literature and obtain recommendations from equipment manufacturers with regard to compatibility.
RS-52 SDS - English RS-52 SDS - French
Product Information

Chemical Name:
Pentafluoroethane; 1,1,1 Trifluoroethane; Iso-Butane; Propane

Performance Characteristics

  • Close performance match for R502

  • Can replace R22 in low temperature applications

  • Compatible with MO, AB, and PОЕ lubricants

  • Lower discharge temperatures

  • Near azeotropic blend

  • Suitable for new and existing equipment

  • Capacity match for R502

  • Low temperature glide <1°C

  • No changes to hardware needed

Safety Information

  • Store cylinders in a cool, dry, well-ventilated area, out of direct sunlight.

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

Additional Information

GWPs listed are specified based on the IPCC’s fourth Assessment Report (AR4).

Available In
10.9 KG
45.4 KG
Product Applications
Commercial Air Conditioning & Refrigeration
Industrial Air Conditioning & Refrigeration
Other (Appliances)
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