Re: Printing gum on hard surface

From: Katharine Thayer ^lt;kthayer@pacifier.com>
Date: 09/03/04-02:24:21 PM Z
Message-id: <4138D2F4.7472@pacifier.com>

Dave Soemarko wrote:
>
>
> But that is if you are interested in a piece of hardened gum.

Well, actually, I'm not at all interested in a piece of hardened gum,
although I'll be interested to see if you manage to make one. No, a hunk
of gum isn't what I'm after; what I need and what I'm making is
hardened gum that replicates as closely as possible the hardened gum in
a gum print, so it needs to be the same thickness as I would coat it to
print gum.
Katharine

If not,
> probably your test on mylar or non-glare glass is sufficient.
>
> And typing this is making me so wanting to do some tests, but maybe I should
> not....
>
> Dave S
>
> ----- Original Message -----
> From: "Katharine Thayer" <kthayer@pacifier.com>
> To: <alt-photo-process-l@sask.usask.ca>
> Sent: Friday, September 03, 2004 7:37 AM
> Subject: Re: Printing gum on hard surface
>
> > Dave Soemarko wrote:
> > >
> > > > The chemist I'm working with thought it would
> > > > be a simple matter to coat glass with dichromated gum, expose, wash
> and
> > > > dry it and then peel off a sheet of nice hardened gum. Don't I wish!
> > >
> > > Oh, sorry I didn't read this email before replying to the previous one.
> If
> > > you want a piece of dry hardened gum, maybe you could try coating it
> > > thickly, expose, and do something similar the carbon transfer, except
> that
> > > this is a gum transfer. You can transfer it to a piece of pure glass, or
> the
> > > slick side of mylar.
> > >
> > > But I haven't done that myself. It's just a suggestion.
> > >
> >
> > Well, I actually tried that in the interest of making more hardened gum
> > faster, but I couldn't make it work. I don't think gum works the same
> > as gelatin in this regard. And in fact, we all know that one reason for
> > failure in gum is to get the coating too thick; it just flakes off. I
> > put these thicker layers out in the sun and exposed them for a very long
> > time, but no go.
> > kt
> >
Received on Sun Sep 5 08:31:54 2004

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