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Typical Properties for Aqueous Propylene Glycol Solutions

Percent By Volume Percent By Weight Freezing point ( °F ) Boiling Point ( °F ) Specific Gravity
( 60 / 60 °F)		 Specific Gravity
40 / 60°F		 Refry .d we Index, n,77°F
20 20.6 19 214 1.021 1.026 1.3550
21 21.6 18   1.022 1.027 1.3561
22 22.6 17   1.023 1.028 1.3572
23 23.6 16   1.024 1.029 1.3583
24 24.5 15 215 1.025 1.031 1.3594
25 25.5 14   1.026 1.032 1.3605
26 26.5 13   1.027 1.033 1.3616
27 27.4 12   1.028 1.034 1.3627
28 28.4 11   1.029 1.035 1.3638
29 29.4 10 216 1.029 1.037 1.3649
30 30.3 9   1.030 1.038 1.3660
31 31.3 8   1.031 1.039 1.3671
32 32.3 7   1.032 1.040 1.3682
33 33.3 5   1.033 1.041 1.3693
34 34.3 4 217 1.034 1.042 1.3703
35 35.3 3   1.035 1.044 1.3714
36 36.2 2   1.036 1.045 1.3725
37 37.2 0   1.037 1.046 1.3736
38 38.2 -1 218 1.038 1.047 1.3747
39 39.2 -3   1.039 1.048 1.3758
40 40.2 -4   1.040 1.049 1.3768
41 41.2 -6 219 1.040 1.050 1.3779
42 42.2 -7   1.041 1.050 1.3790
43 43.2 -9   1.042 1.051 1.3800
44 44.1 -10 220 1.043 1.052 1.3811
45 45.1 -12   1.044 1.053 1.3821
46 46.1 -15   1.045 1.054 1.3832
47 47.1 -17 221 1.046 1.054 1.3842
48 48 -19   1.047 1.055 1.3853
49 49 -21   1.047 1.056 1.3863
50 50 -23 222 1.048 1.057 1.3874
51 51 -25   1.049 1.057 1.3884
52 52 -28 223 1.049 1.058 1.3895
53 53 -30   1.051 1.058 1.3905
54 54 -33 224 1.051 1.059 1.3916
55 55 -36   1.052 1.060 1.3926
56 56 -39 225 1.052 1.060 1.3937
57 57 -42   1.052 1.061 1.3947
58 58 -46 226 1.053 1.061 1.3957
59 59 -50   1.053 1.062 1.3967
60 60 -56 227 1.054 1.062 1.3977
61 61 (a)   1.054 1.063 1.3986
62 62.1 (a) 228 1.055 1.063 1.3995
63 63.1 (a)   1.055 1.063 1.4004
64 64.1 (a) 229 1.055 1.064 1.4013
65 65.1 (a) 230 1.056 1.064 1.4022
 
 
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