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Freezing Points of Propylene and Ethylene Glycol Solutions
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Question
I want to use ethylene glycol or propylene glycol as an anti-freeze. What are the freezing points of various aqueous solutions of these chemicals?
Answer
The freezing points of these glycol solutions can be found in the tables below:
Ethylene Glycol Solution (% by mass)
0
10
20
30
40
50
60
Freezing Point Temperature (°F)
32
23
14
2
-13
-36
-70
Freezing Point Temperature (°C)
0
-3
-8
-16
-25
-37
-55
Propylene Glycol Solution (% by mass)
0
10
20
30
40
50
60
Freezing Point Temperature (°F)
32
26
18
7
-8
-29
-55
Freezing Point Temperature (°C)
0
-3
-8
-14
-22
-34
-48
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Keywords
heat transfer cooling, 9402, 9403, U510, 6263, 5001, 9300
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