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Thermodynamic properties of R-452A - (superheated vapour) - Entropy (kJ/kg.K) Sat. Temp. °C Sat. Pressure bar Superheat (°C) 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100 -100 0.022 1.760 1.777 1.794 1.811 1.827 1.843 1.860 1.876 1.891 1.907 1.923 1.938 1.953 1.968 1.983 1.998 2.013 2.028 2.042 2.056 2.071 -95 0.034 1.740 1.757 1.774 1.790 1.806 1.823 1.839 1.854 1.870 1.886 1.901 1.916 1.931 1.946 1.961 1.976 1.991 2.005 2.020 2.034 2.048 -90 0.052 1.722 1.739 1.755 1.772 1.788 1.804 1.820 1.836 1.851 1.867 1.882 1.897 1.912 1.927 1.942 1.956 1.971 1.985 2.000 2.014 2.028 -85 0.078 1.706 1.723 1.739 1.755 1.771 1.787 1.803 1.819 1.834 1.849 1.865 1.880 1.894 1.909 1.924 1.938 1.953 1.967 1.981 1.996 2.010 -80 0.113 1.692 1.708 1.725 1.741 1.757 1.772 1.788 1.804 1.819 1.834 1.849 1.864 1.879 1.893 1.908 1.923 1.937 1.951 1.965 1.979 1.993 -75 0.162 1.679 1.695 1.712 1.728 1.743 1.759 1.775 1.790 1.805 1.820 1.835 1.850 1.865 1.879 1.894 1.908 1.922 1.937 1.951 1.965 1.979 -70 0.226 1.667 1.684 1.700 1.716 1.732 1.747 1.763 1.778 1.793 1.808 1.823 1.838 1.852 1.867 1.881 1.895 1.910 1.924 1.938 1.952 1.965 -65 0.309 1.657 1.674 1.690 1.705 1.721 1.737 1.752 1.767 1.782 1.797 1.812 1.827 1.841 1.856 1.870 1.884 1.898 1.912 1.926 1.940 1.954 -60 0.416 1.648 1.664 1.680 1.696 1.712 1.727 1.743 1.758 1.773 1.787 1.802 1.817 1.831 1.846 1.860 1.874 1.888 1.902 1.916 1.929 1.943 -55 0.551 1.640 1.656 1.672 1.688 1.704 1.719 1.734 1.749 1.764 1.779 1.793 1.808 1.822 1.837 1.851 1.865 1.879 1.893 1.906 1.920 1.934 -50 0.719 1.633 1.649 1.665 1.681 1.696 1.712 1.727 1.742 1.757 1.771 1.786 1.800 1.815 1.829 1.843 1.857 1.871 1.885 1.898 1.912 1.925 -45 0.925 1.627 1.643 1.659 1.674 1.690 1.705 1.720 1.735 1.750 1.765 1.779 1.793 1.808 1.822 1.836 1.850 1.864 1.877 1.891 1.905 1.918 -43.15 1.013 1.624 1.641 1.656 1.672 1.688 1.703 1.718 1.733 1.748 1.762 1.777 1.791 1.805 1.820 1.834 1.847 1.861 1.875 1.889 1.902 1.915 -40 1.176 1.621 1.637 1.653 1.669 1.684 1.699 1.714 1.729 1.744 1.759 1.773 1.787 1.802 1.816 1.830 1.844 1.857 1.871 1.885 1.898 1.911 -35 1.478 1.616 1.632 1.648 1.664 1.679 1.694 1.709 1.724 1.739 1.754 1.768 1.782 1.796 1.810 1.824 1.838 1.852 1.866 1.879 1.892 1.906 -30 1.838 1.612 1.628 1.644 1.659 1.675 1.690 1.705 1.720 1.735 1.749 1.763 1.778 1.792 1.806 1.820 1.834 1.847 1.861 1.874 1.888 1.901 -25 2.262 1.608 1.624 1.640 1.656 1.671 1.686 1.701 1.716 1.731 1.745 1.760 1.774 1.788 1.802 1.816 1.829 1.843 1.857 1.870 1.883 1.897 -20 2.758 1.604 1.621 1.637 1.652 1.668 1.683 1.698 1.713 1.727 1.742 1.756 1.770 1.785 1.798 1.812 1.826 1.840 1.853 1.866 1.880 1.893 -15 3.334 1.601 1.618 1.634 1.649 1.665 1.680 1.695 1.710 1.725 1.739 1.753 1.768 1.782 1.796 1.809 1.823 1.837 1.850 1.863 1.877 1.890 -10 3.998 1.599 1.615 1.631 1.647 1.662 1.678 1.693 1.708 1.722 1.737 1.751 1.765 1.779 1.793 1.807 1.821 1.834 1.847 1.861 1.874 1.887 -5 4.759 1.596 1.613 1.629 1.645 1.660 1.676 1.691 1.706 1.720 1.735 1.749 1.763 1.777 1.791 1.805 1.818 1.832 1.845 1.859 1.872 1.885 0 5.625 1.594 1.611 1.627 1.643 1.659 1.674 1.689 1.704 1.719 1.733 1.747 1.762 1.776 1.789 1.803 1.817 1.830 1.844 1.857 1.870 1.883 5 6.606 1.592 1.609 1.625 1.641 1.657 1.672 1.688 1.703 1.717 1.732 1.746 1.760 1.774 1.788 1.802 1.815 1.829 1.842 1.856 1.869 1.882 10 7.711 1.590 1.607 1.624 1.640 1.656 1.671 1.686 1.701 1.716 1.731 1.745 1.759 1.773 1.787 1.801 1.814 1.828 1.841 1.854 1.868 1.881 15 8.952 1.588 1.605 1.622 1.638 1.654 1.670 1.685 1.700 1.715 1.730 1.744 1.758 1.772 1.786 1.800 1.814 1.827 1.840 1.854 1.867 1.880 20 10.337 1.586 1.603 1.621 1.637 1.653 1.669 1.684 1.700 1.714 1.729 1.744 1.758 1.772 1.786 1.800 1.813 1.827 1.840 1.853 1.866 1.879 25 11.880 1.584 1.602 1.619 1.636 1.652 1.668 1.684 1.699 1.714 1.729 1.743 1.757 1.772 1.785 1.799 1.813 1.826 1.840 1.853 1.866 1.879 30 13.591 1.581 1.600 1.617 1.635 1.651 1.667 1.683 1.698 1.713 1.728 1.743 1.757 1.771 1.785 1.799 1.813 1.826 1.839 1.853 1.866 1.879 35 15.484 1.578 1.597 1.616 1.633 1.650 1.666 1.682 1.698 1.713 1.728 1.743 1.757 1.771 1.785 1.799 1.813 1.826 1.840 1.853 1.866 1.879 40 17.574 1.575 1.595 1.614 1.632 1.649 1.665 1.682 1.697 1.713 1.728 1.742 1.757 1.771 1.785 1.799 1.813 1.826 1.840 1.853 1.866 1.879 45 19.874 1.571 1.592 1.612 1.630 1.648 1.664 1.681 1.697 1.712 1.727 1.742 1.757 1.771 1.785 1.799 1.813 1.826 1.840 1.853 1.866 1.879 50 22.405 1.566 1.589 1.609 1.628 1.646 1.663 1.680 1.696 1.712 1.727 1.742 1.757 1.771 1.785 1.799 1.813 1.827 1.840 1.853 1.867 1.880 55 25.187 1.560 1.584 1.606 1.626 1.644 1.662 1.679 1.695 1.711 1.727 1.742 1.757 1.771 1.785 1.799 1.813 1.827 1.840 1.854 1.867 1.880 60 28.247 1.551 1.579 1.602 1.623 1.642 1.660 1.678 1.694 1.710 1.726 1.741 1.756 1.771 1.785 1.800 1.813 1.827 1.841 1.854 1.867 1.880 65 31.627 1.540 1.572 1.597 1.619 1.639 1.658 1.676 1.693 1.709 1.725 1.741 1.756 1.771 1.785 1.799 1.814 1.827 1.841 1.854 1.868 1.881 70 35.400 1.521 1.563 1.591 1.615 1.636 1.655 1.674 1.691 1.708 1.724 1.740 1.755 1.770 1.785 1.799 1.813 1.827 1.841 1.854 1.868 1.881 HFC/HFO R-452A I Entropy (kJ/kg.K) 128

R-455A (Solstice ® L40X) Zeotropic blend (3 % R-744 - 21.5 % R-32 - 75.5 % R-1234yf) Molecular weight (g/mol) 87.45 Melting point (°C) N/A Boiling point (at 1.013 bar) -52.03 Temperature glide at 1.013 bar (K) 12.85 Critical temperature (°C) 87.5 Critical pressure (bar absolute) 48.22 Specific heat (liquid) at + 25°C (kJ/kg.K) 1.567 Specific heat (vapour) at 1.013 bar and + 25°C (kJ/kg.K) 0.890 Thermal capacity ratio (Cp/Cv) at + 25°C and 1.013 bar 1.131 Viscosity (liquid) at + 25°C in Centipoise (10- 3 Pa.s) 0.127 Surface tension at + 25°C in dyne per centimetre (10- 3 N/m) 6.99 Classification NF-EN 378 A2L GWP (IPCC 4) 148 Main applications R-455A is a mildly flammable, "non azeotropic" blend designed to serve as an alternative for low, medium and high temperature applications in new systems and has a GWP