R404A is a blend of HFC refrigerants commonly used for medium and low temperature refrigeration applications. It’s composition comprises: HFC-125 (44%), HFC-143a (52%), HFC-134a (4%). It is non toxic and non flammable meeting the highest A1/A1 classification.


Description:
R404A is a hydrofluorocarbon mix of three refrigerants designed to serve as a replacement for the R22 and R502 chlorofluorocarbon refrigerants, which will be phased out of use by 2020. It is most often used as the working fluid of standard refrigerators.
UN Code 3337