丙二醇的特性

1.丙二醇冰点和沸点

丙二醇水溶液因为其无毒、无腐蚀等性质，在诸多领域作为载冷剂应用。其物理性质对设备和系统的设计都十分重要，下面是二醇水溶液的冰点和沸点与其浓度的关系。（数据来源ASHRAE手册2005）

丙二醇浓度冰点沸点丙二醇浓度冰点沸点

质量浓度体积浓度℃100.7KPa 质量浓度体积浓度℃100.7KPa

0.0 0.0 0.0 100.0 50.0 49.9 -36.6 105.6

5.0 4.8 -1.6 100.0 51.0 50.9 -38.2 105.6

10.0 9.6 -3.3 100.0 52.0 51.9 -39.8 105.6

15.0 14.5 -5.1 100.0 53.0 53.0 -41.6 106.1

20.0 19.4 -7.1 100.6 54.0 54.0 -43.3 106.1

21.0 20.4 -7.6 100.6 55.0 55.0 -45.2 106.1

22.0 21.4 -8.0 100.6 56.0 56.0 -47.1 106.1

23.0 22.4 -8.6 100.6 57.0 57.0 -49.0 106.7

24.0 23.4 -9.1 100.6 58.0 58.0 -51.1 106.7

25.0 24.4 -9.6 101.1 59.0 59.0 59.0 106.7

26.0 25.3 -10.2 101.1 60.0 60.0 107.2

27.0 26.4 -10.8 101.1 65.0 65.0 108.3

28.0 27.4 -11.4 101.7 70.0 70.0 110.0

29.0 28.4 -12.0 101.7 75.0 75.0 113.9

30.0 29.4 -12.7 102.2 80.0 80.0 118.3

31.0 30.4 -13.4 102.2 85.0 85.0 125.0

32.0 31.4 -14.1 102.2 90.0 90.0 132.2

33.0 32.4 -15.6 102.2 95.0 95.0 154.4

34.0 33.5 -16.4 102.2

35.0 34.4 -17.3 102.8

36.0 35.5 -18.2 102.8

37.0 36.5 -19.1 102.8

38.0 37.5 -20.1 103.3

39.0 38.5 -21.1 103.3

40.0 39.5 -22.1 103.9

41.0 40.5 -23.2 103.9

42.0 41.5 -24.3 103.9

43.0 42.5 -25.5 103.9

44.0 43.7 -26.7 103.9

45.0 44.7 -27.9 104.4

46.0 45.7 -29.3 104.4

47.0 46.8 -30.6 104.4

48.0 47.8 -32.1 105.0

49.0 48.9 -33.5 105.0

丙二醇水溶液因为其无毒、无腐蚀等性质，在诸多领域作为载冷剂应用。其物理性质对设备和系统的设计都十分重要，下面是丙二醇水溶液的密度（kg/m3）与其浓度和温度的关系。（数据来源ASHRAE手册2005）

丙二醇水溶液浓度（体积浓度）

温度℃

10% 20% 30% 40% 50% 60% 70% 80% 90% –35 1072.92 1079.67 1094.5 1092.46 –30 1071.31 1077.82 1090.85 1088.82 –25 1062.11 1069.58 1075.84 1087.18 1085.15 –20 1060.49 1067.72 1073.74 1083.49 1081.46 –15 1050.43 1058.73 1065.73 1071.51 1079.77 1077.74 –10 1039.42 1048.79 1056.85 1063.61 1069.16 1076.04 1074 -5 1027.24 1037.89 1047.02 1054.84 1061.37 1066.69 1072.27 1070.24

0 1013.85 1025.84 1036.24 1045.12 1052.71 1059 1064.09 1068.49 1066.46

5 1012.61 1024.32 1034.4

6 1043.09 1050.44 1056.5 1061.36 1064.68 1062.65

10 1011.24 1022.68 1032.55 1040.94 1048.04 1053.88 1058.51 1060.85 1058.82

15 1009.75 1020.91 1030.51 1038.65 1045.52 1051.13 1055.54 1057 1054.96

20 1008.13 1019.01 1028.35 1036.24 1042.87 1048.25 1052.44 1053.12 1051.09

25 1006.4 1016.99 1026.06 1033.7 1040.09 1045.24 1049.22 1049.22 1047.19

30 1004.54 1014.84 1023.64 1031.03 1037.18 1042.11 1045.87 1045.3 1043.26

35 1002.56 1012.56 1021.09 1028.23 1034.15 1038.85 1042.4 1041.35 1039.32

40 1000.46 1010.16 1018.42 1025.3 1030.98 1035.47 1038.81 1037.38 1035.35

45 998.23 1007.64 1015.62 1022.24 1027.69 1031.95 1035.09 1033.39 1031.35

50 995.88 1004.99 1012.69 1019.06 1024.27 1028.32 1031.25 1029.37 1027.34

55 993.41 1002.21 1009.63 1015.75 1020.72 1024.55 1027.28 1025.33 1023.3

60 990.82 999.31 1006.44 1012.3 1017.04 1020.66 1023.19 1021.27 1019.24

65 988.11 996.28 1003.13 1008.73 1013.23 1016.63 1018.97 1017.19 1015.15

70 985.27 993.12 999.69 1005.03 1009.3 1012.49 1014.63 1013.08 1011.04

75 982.31 989.85 996.12 1001.21 1005.24 1008.21 1010.16 1008.95 1006.91

80 979.23 986.44 992.42 997.25 1001.05 1003.81 1005.57 1004.79 1002.76

85 976.03 982.91 988.6 993.17 996.73 999.28 1000.86 1000.62 998.58

90 972.7 979.25 984.65 988.95 992.28 994.63 996.02 996.41 994.38

95 969.25 975.47 980.57 984.61 987.7 989.85 991.06 992.19 990.16

100 965.68 971.56 976.36 980.14 983 984.94 985.97 987.94 985.91 105 961.99 967.53 972.03 975.54 978.16 979.9 980.76 983.68 981.64 110 958.17 963.37 967.56 970.81 973.2 974.74 975.42 979.38 977.35 115 954.24 959.09 962.97 965.95 968.11 969.45 969.96 975.07 973.03 120 950.18 954.67 958.26 960.97 962.89 964.03 964.38 970.73 968.69 125 945.99 950.14 953.41 955.86 957.55 958.49 958.67 966.37 964.33