Selection procedure (cont)
PROPYLENE GLYCOL PERFORMANCE
CORRECTION FACTORS AND SOLUTION
CRYSTALLIZATION POINTS
Correction factors apply to published chilled water
performance ratings from 40 to 60 F
(4.4 to 15.6 C) LCWT.
1.65
1.60
1.55
1.50
1.45
1.40
1.35
1.30
1.25
1.20
1.20
1.15
1.10
1.05
1.00
0.95
0.90
10
0
20
% CONCENTRATION (BY WEIGHT) PROPYLENE GLYCOL
32
(F)
(C)
-40
-40
-30
-20
-20
0
-10
+20
0
+40
30
40
50
ETHYLENE GLYCOL PERFORMANCE
CORRECTION FACTORS AND SOLUTION
CRYSTALLIZATION POINTS
Correction factors apply to published chilled water
performance ratings from 40 to 60 F
(4.4 to 15.6 C) LCWT.
1.50
1.45
1.40
1.35
1.30
1.25
1.20
1.15
1.10
1.05
1.00
CAPACITY
0.95
0.90
10
20
0
30
% CONCENTRATION (BY WEIGHT) PROPYLENE GLYCOL
(F)
(C)
-40
-40
-30
-20
-20
0
-10
+20
0
+40
40
50