Install Instructions

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IM-PR 566442 1114 (Design Manual)
Specific Heat of Propylene Glycol Solutions (Btu/lb/°F)
Temperature
(°F)
Propylene Glycol Concentration by Volume
10% 20% 30% 40% 50% 60% 70% 80% 90%
-30 0.741 0.680 0.615 0.542
-20 0.799 0.746 0.687 0.623 0.550
-10 0.804 0.752 0.693 0.630 0.558
0 0.855 0.809 0.758 0.700 0.637 0.566
10 0.898 0.859 0.814 0.764 0.707 0.645 0.574
20 0.936 0.902 0.864 0.820 0.770 0.713 0.652 0.583
30 0.966 0.938 0.906 0.868 0.825 0.776 0.720 0.660 0.591
40 0.968 0.941 0.909 0.872 0.830 0.782 0.726 0.667 0.599
50 0.970 0.944 0.913 0.877 0.835 0.787 0.733 0.674 0.607
60 0.972 0.947 0.917 0.881 0.840 0.793 0.740 0.682 0.615
70 0.974 0.950 0.920 0.886 0.845 0.799 0.746 0.689 0.623
80 0.976 0.953 0.924 0.890 0.850 0.805 0.753 0.696 0.631
90 0.979 0.956 0.928 0.894 0.855 0.811 0.760 0.704 0.639
100 0.981 0.959 0.931 0.899 0.861 0.817 0.766 0.711 0.647
110 0.983 0.962 0.935 0.903 0.866 0.823 0.773 0.718 0.656
120 0.985 0.965 0.939 0.908 0.871 0.828 0.779 0.726 0.664
130 0.987 0.967 0.942 0.912 0.876 0.834 0.786 0.733 0.672
140 0.989 0.970 0.946 0.916 0.881 0.840 0.793 0.740 0.680
150 0.991 0.973 0.950 0.921 0.886 0.846 0.799 0.748 0.688
160 0.993 0.976 0.953 0.925 0.891 0.852 0.806 0.755 0.696
170 0.996 0.979 0.957 0.929 0.896 0.858 0.812 0.762 0.704
180 0.998 0.982 0.961 0.934 0.902 0.864 0.819 0.770 0.712
190 1.000 0.985 0.964 0.938 0.907 0.869 0.826 0.777 0.720
200 1.002 0.988 0.968 0.943 0.912 0.875 0.832 0.784 0.729
210 1.004 0.991 0.971 0.947 0.917 0.881 0.839 0.792 0.737
220 1.006 0.994 0.975 0.951 0.922 0.887 0.845 0.799 0.745
230 1.008 0.996 0.979 0.956 0.927 0.893 0.852 0.806 0.753
240 1.011 0.999 0.982 0.960 0.932 0.899 0.859 0.814 0.761
250 1.013 1.002 0.986 0.965 0.937 0.905 0.865 0.821 0.769
8. ©ASHRAE Fundamentals, Chapter 31, 2009.
Table 1-15 Specific heat of propylene glycol solutions
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