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What is the difference between propylene and ethylene based antifreezes?

April 26, 2017antifreezes based ethylene Propylene

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What is the difference between propylene and ethylene based antifreezes?

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There are several technical differences, but both do a good job of freeze point depressant as antifreezes. However Propylene glycol is not toxic to animals or humans, which makes it more attractive since Ethylene is highly toxic and deadly if taken internally…