R452A is a mixture of hydrofluorocarbons and hydroolefins (HFC + HFO), composed of R134a + R1234yf + R125 + R32, which can find various applications in commercial and industrial refrigeration as a replacement for R404A and R507. R452A is a non-flammable refrigerant classified A1. R452A finds application in the operation of refrigerated transport systems but also for cold rooms, refrigerated counters, refrigerated display cases. From an ecological point of view, R452A is a gas with a high GWP of 2141 and an ODP of 0.