Solstice® L40X (R-455A)

Solstice® L40X (R-455A) a mildly flammable, zeotropic blend is designed to serve as an alternative for low, medium and high temperature applications in new systems. Its ultra-low GWP of only 146 (below 150) makes it an Fgas-ready solution. It also provides a close capacity match to R-404A, extended operating envelope when compared to propane or air- conditioning refrigerants, and high energy efficiency. Solstice® L40X is an excellent refrigerant option for commercial refrigeration low temperature applications can be used across many segments of the HVACR industry. Like – small charge, plug-in type cabinets, condensing units and monoblocks for cold rooms and freezer rooms, small chillers, heat pumps, and chillers.
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General Information

Item Specification
Class A2L
Refrigerant Type Zeotropic blend
Typical Lubricant POE
Replaces R404A/R290/R22/R407C

Physical Properties

Property Value
Chemical Notation 75.5%/21.5%/3% R1234yf/R-32,/R-744
Critical Temperature (°C) 85.6
Critical Pressure (bar) 46.6
Liquid Density (kg/m³) 0°C 1128.8
ANSIASHRAE Standard 36-1992 Safety Group Classification A2L
Relative Molar Mass (g/mol) 87.5
Vapour Density (kg/m³) 25°C 3.63
GWP 146
REACH Registered
ATEL/ODL (kg/m³) 0.393
Practical Limit (kg/m³) 0.086
Lower Flammability Limit (kg/m³) 0.431 (11.8%)
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