SECTION 5-9
MAINTENANCE
FLOWMAX RO MANUAL REV: B 05/1999
USFilter
United States Filter Corporation
Table 1
FREEZING POINT OF PROPYLENE GLYCOL - WATER MIXTURES
% glycol by
VOLUME
Specific Gravity
15.6
o
C. (60
o
F)
Freezing Point
o
C.
Freezing Point
o
F.
5
1.004
-1.1
30
10
1.006
-2.2
28
15
1.012
-3.9
25
20
1.017
-6.7
20
25
1.020
-8.9
16
30
1.024
-12.8
9
35
1.028
-16.1
3
40
1.032
-20.6
-5
45
1.037
-26.7
-16
50
1.040
-33.3
-28
Table 2
FREEZING POINT OF GLYCEROL (GLYCERIN) - WATER MIXTURES
% glycerin by
WEIGHT
Specific Gravity
15.0
o
C. (59
o
F)
Freezing Point
o
C.
Freezing Point
o
F.
10
1.02415
-1.6
29.1
20
1.04935
-4.8
23.4
30
1.07560
-9.5
14.9
40
1.10255
-15.5
4.3
50
1.12985
-22.0
-7.4
60
1.15770
-33.6
-28.5
70
1.18540
-37.8
-36.0
80
1.21290
-19.2
-2.3
90
1.23950
-1.6
29.1