Thanks for all of the helpful comments. I have found that
others with direct experience in my specific application can
be complementary to web searching. I discovered that some
of the pieces have some info on their paper covers and
by piecing together the partial info from a number of the
pieces I was able to determine that the Lexan is GE MR10
and has a GUARANTEE of not discoloring from UV for
a period of 10 years. Sounds pretty good. I was also
able to find some cleaning info and recommended
cleaning agents, including isopropyl alcohol. Not sure why
one respondent had problems with alcohol--maybe the sheet
wasn't really Lexan or maybe this GE MR10 is somehow
better or different.
So it does look like I can use this stuff for my antenna
projects and they should last for at least 10 years! Probably
more, and there is no telling how long I will last after my
recent aortic valve replacement! ;-) (But things are
looking good--I am back to riding motorcycles and that
will surely do me in long before any heart problems will!)
To those who commented on my wife and my luck at
finding a "Keeper". You don't know half of the story!
She has a turbo diesel 4x4 F-250 to pull her new
28 ft travel trailer. She had FIVE motorcycles when I met
her (3 BMWs and 2 dirt bikes). She has dropped down to
only 4 now--but has upgraded the BMWs. She is studying
for her ham ticket and she designed the sheet metal
for the Alpha 99 amp! AND SHE CAN COOK TOO! ;-)
Oh, did I mention that she has a SHOPSMITH with a LOT
of accessories? (Photo available upon request--wife, not the
Shopsmith.)
--John W0UN
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