Dissolving SL Resin?

From: Rob Connelly (flpinc@nc.rr.com)
Date: Fri Jan 24 2003 - 03:48:24 EET

Hello RP'ers,

I have a resin question for the group. I have a customer who wants to make some tiny little parts on a high-res SL machine for a medical application. Trouble is, he needs the parts for a process similar to investment casting wherein he will shell them with something, and then dissolve the SL part back out of the shell. He can't use high temperatures as in investment casting -- he needs to use a solvent.

So, is anyone aware of a resin that can be used in a high-res SL machine (either a Viper or a 250HR) that can dissolve in acetone, xylene, MEK, or other such nasty chemical? Do the old acrylates dissolve? My customer has told me that just softening or deteriorating is not good enough -- it has to dissolve. If this does exist, do you know of a vendor who has this combination to whom I can outsource the job?

Thanks in advance for your time,

Rob Connelly
FineLine Prototyping, Inc.
6300 Limousine DR
Suite 130
Raleigh, NC 27613

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