Re: [PSUBS-MAILIST] Acrylic end of life

[Michael B Holt <tlohm@juno.com>]

On Thu, 21 Nov 2002 23:29:14 -0500 "Alec Smyth" <Asmyth@changepoint.com>
writes:
>
>Its in PVHO and depends on the geometry of the window. For example, 
>for a dome with a square edge its 10 years, but for a dome with a
conical 
>edge its 20. Let me know what geometry you're interested in and I can 
>look it up.

What about a simple circular port?   Something about 6 inches in
diameter.
Given those numbers above, they must last about ... forever.



Mike H.


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