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What's this about Mylar in solar collectors?

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Posted by amdx on February 7, 2010, 4:12 pm
I see references to mylar in solar collectors, what is the purpose of
using a mylar sheet inside of a collector?

Posted by jeff on February 10, 2010, 9:28 pm
amdx wrote:

Mylar has a lot of advantages, It is impervious to steam, highly
transparent and very strong. Uncoated it fails under UV. Use it under a
UV blocking glazing.

I'm currently making double pane inside storm windows that are stackable
out of 1 mil (very cheap). And am adding mylar under my suntuf to cut
down on thermal losses. Next up is a trickle down collector with inner
mylar glazing because polycarbonate is not hot water resistant. That
holds a lot of promise.


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