Version 1.00
023-903504
Safety Concerns
2-2
Table 1: Glycol/Water Mixture Chart
*CAUTION! Whenever coupling or uncoupling the quick-couplers, make sure that the isolation
valves are closed and the pump is turned off. Failure to do so may result in injury caused by hot
HTF.*
•
Always use soft water with a neutral pH level (approx. 7) when preparing HTF for use in the
unit.
•
For MSDS information regarding Propylene Glycol see Appendix – Heat Transfer Fluid
Information.
Percent Propylene Glycol
Freezing Point
By Mass
By Volume
ºF
ºC
0.0
0.0
32.0
0.0
10.0
9.6
26.1
-3.2
20.0
19.4
17.9
-7.8
30.0
29.4
6.7
-14.0
40.0
39.6
-8.1
-22.3
50.0
49.9
-28.9
-33.8
60.0
60.0
-54.9
-48.3