1 gal of propylene glycol to 24 gal of water
UBC GL-5G Propylene Glycol Coolant /UnbeatableSale.com
Use the following table as a guide for your antifreeze application.
Solution (% by mass)
10
20
30
40
50
60
Freeze Temp (º F)
26
18
7
-8
-29
-55
Boiling Temp (º F)
212
213
216
219
222
225
table
Courtesy of dudadiesel.com
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