A2L is a new category of refrigerants defined by the ISO 817 standard, which means low flammability. This category is characterized by the need to have a high concentration (large amount of gas phase refrigerant present in the air) to present a possibility of ignition. In case of burning, the flame velocity is very slow (less than 10 cm/s), and the last criteria is the heat of combustion which is lower than 19 000 kJ/kg.
Learn more about A2Ls from our newsletters below:
July 21, 2020