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[ST] RE: rain-ex
- Subject: [ST] RE: rain-ex
- From: "Frank Palocsay" <palocsay@xxxxxxxxxxx>
- Date: Sat, 26 Oct 2002 14:09:16 -0400
"Your.... Highness"
Your have a few errors in your "facts."
Rain'Ex is a mixture of silicones using isopropyl alcohol and water as
the solvent. There is no acetone in the mixture. Isopropyl alcohol is
a fairly common solvent and is present in many glass cleaners. It
evaporated quickly, ahs many of the solvent properties of water but has
a much lower surface tension, so it "wets" better. In fact, it also
lowers the surface tension of water.
I don't know what the films are that are used to coat our face shields.
But I doubt if they would be attacked by such solvent systems. Like
other listers, I have used Rain-Ex on my face shields for some time.
I've also used it on lexan headlight covers. I have never found any
deterioration of the surfaces, any fogging, cracking, yellowing or any
other evidence that might be attributed to the use of this product.
While not royalty, I am a Chemist, taught at a local University for
several decades and had an opportunity to chat with the inventor of
Rain_Ex some years ago.
Oh, also, performing an experiment and reporting on the results is NOT
"anecdotal" evidence.
Regards,
Frank Palocsay
'00 black ST
'01 red SV650 (hers)
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