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2.The info mentions "corrosive", my idea is to put 1 drop on steel next to 1 drop H2O to see corrosive quality and evaporation speed.
But if I am not mistaken isn't 1 of them "anti freeze" [propylene or ethylene] ???
I estimate the RP TV was >7yrs old. Is this a clue to type of glycol?
They each taste sweet
I just wanted to ID it, not duplicate it, so I though of a corrosive test vs H2O and vinegar on steel and yes I was going to use naked aluminum too I just didn't post itThat might be a fun experiment, but if you are not trying to actually duplicate the fluid, why do it?
John
No, the web articles mentioned corrosive, I actually thought it was a silicone type oil.You didn't mention it was corrosive earlier.
John
Thanks, I like that you think on a higher level, as do I.That seems a bit odd considering the application, I suspect it may have something to do with the definition of corrosive required for labeling, their reactivity while hot or with certain metals, and products formed in the presence of water. All three will absorb water. I believe ethylene glycol is the most easily oxidized of the three and gives acidic products. Out of interest, you might add a piece of raw (not anodized) aluminum to your test.
John
Based on other research I have done its starting to look like ethylene.All three can be used for antifreeze. Presently, it is more common to use ethylene glycol and propylene glycol for antifreeze. Ethylene glycol and propylene glycol are often different colors in the US, to distinguish which should be used for which approved use.
John
It is, and I have some in my med cabinet.While glycerin is more expensive and has a higher freezing point than the two glycols, I suspect it would be more easily obtained as an optically clear, colorless liquid for the lay public.
John
Interesting, but I'm sure that's an expensive choice!Glycerin is non-toxic and for that reason may become more commonly used as an antifreeze in more moderate climates.
John
Oh and to Nigel from the UK, Here in my neck of the woods I try to be a leader [by example] to folks in my town to repurpose or 100% recycle, so "chucking it out" is verboten for me.