"propylene glycol" used contained by an rime pack - will it freeze?

"propylene glycol" used in an ice pack - will it freeze?
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Answers:    Not surrounded by a regular freezer. It freezes at -59C.
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Yes propylene glycol will freeze ... if you get it cold enough!! All things freeze at blatant zero degrees k. However, next to the types of cold available to most people and in the most adjectives mixtures available, pg will not freeze - it may get real gummy but won't "freeze" in the manner I give attention to you are thinking. Probably not completely since it is considered a non-toxic antifreeze among many other uses.