We use a mixture of Methanol and Methylene chloride.  It is a 1:2 ratio, but I
cannot remember which one is which.


This will work much better than acetone!

-Bill

---- Original message ----
>Date: Mon, 2 Feb 2004 12:44:36 -0700
>From: "Hunter, Luke L" 
>Subject: [mems-talk] Quickly dissolving thick PMMA
>To: "'mems-talk@memsnet.org'" 
>
>MEMS folk,
>
>I know that acetone works for dissolving PMMA but is there something that
>will work much faster, maybe 10 times?  PMMA thickness is between 300
>microns and 1500 microns.  Currently it takes 3 days to dissolve 1500 micron
>thick PMMA in acetone.
>
>Thanks
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