OT -- imitation antifreeze

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Might be the only one you know of... but it's not the only one.

Whether ethylene glycol expands or contracts when it freezes is immaterial, since nobody uses it pure as an engine coolant -- and the 50-50 aqueous solution of E.G. that *is* typically used as coolant certainly *does* expand when it freezes.
Doug Miller (alphageek at milmac dot com)
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