| Subject: | Re: Leveling the van- shims made of teflon or nylon.....what's up! |
| From: | Jonathan Lewis |
| Date: | Sat, 12 Jan 2002 10:11:13 -0500 |
Acrylic plexiglass [brittle;see below] Hmmm, anecdotal evidence on PMMA or polymethylmethacrylate (limited statistical basis of 2 units) 16 + years, no change in thickness, transparency or phase. Hard to do better, easy to do worse. Frank Grunthaner You're right about the acrylic Frank: should've just noted problem with solvents; aging NOT a problem[with acrylic =8) ] JinNJ
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