Re: dissolving cured epoxy




"brian stahl" <brian.stahl@xxxxxxxxx> wrote in message
news:1116303283.148975.39510@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
> I have an Inconel 600 plate sample mounted in epoxy (for metallographic
> examination), however I learned too late that my boss wants SEM images
> of some features on the plate. I'm looking for a solvent that can
> dissolve the cured epoxy while not harming the Inconel sample. Of
> course I Googled it before I posted here, and the only real hit I got
> was some DIY website that said hot MEK will dissolve cured epoxy. Is
> this claim accurate? Also, what are the hazards associated with
> heating MEK, aside from the volatility/noxious fumes? Is there any
> risk of it reacting unfavorably with the Inconel or the epoxy?
>

Crosslinked epoxy is really not soluble but solvent may plasticize it and
remove it.
Check the MSDS on MEK and run in area where fumes can disipate and not catch
fire.
I would think a paint remover with methylene chloride might work. There are
still fumes but heat is not needed.
Frank


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