RE: Temperaprint & Gum

Loris - You could consider caesin printing.

http://unblinkingeye.com/Articles/Casein/casein.html

I've never done caesin printing - it is supposed to be similar to gum
printing.

It uses caesin as a colloid instead of gum arabic. The above article
gives instructions including how to make caesin from milk.

Gord

On Fri, 30 Jan 2004, Loris Medici wrote:

>
> > -----Original Message-----
> > From: Judy Seigel [mailto:jseigel@panix.com]
> > Sent: Friday, January 30, 2004 7:53 AM
> > To: alt-photo-process-l@sask.usask.ca
> > Subject: Re: Temperaprint & Gum
> >
> > On Thu, 29 Jan 2004, Loris Medici wrote:
> > > 1) Gum is very expensive if you buy the "premium" versions and I
> > > couldn't find any "cheap" litographer grade gum in my area, also I
> > > think mixing my own gum from raw gum tears will not be as easy /
> > > convenient as using egg yolks.
> >
> > Do you have any commercial printers -- that is companies that
> > print offset
> > -- in your area? Their lithographer's gum (in this country)
> > costs from $16 to $19 dollars a gallon, which is 4 liters. I
> > found that every one of 4 or 5 different makers that I've
> > used excellent -- much better than the "premium" gum.
>
> I couldn't find a screen printers or litographers supply store. Maybe I
> should search better. Thanks for the tip.
>
> > ...
> > On the other hand, I want to print on PAPER, not plastic. But
> > what's YUPO?
>
> http://www.yupo.com
>
>
> "FAQ
> ------------------------------------------------------------------------
> --------
>
>
> Q: What is YUPO?
>
>
> A: YUPO is a full line of synthetic printing papers manufactured
> entirely from polypropylene resins. YUPO contains no wood pulp or other
> organic materials.
>
>
> ------------------------------------------------------------------------
> --------
>
> Q: How else does YUPO differ from conventional paper?
>
>
> A: Because it is a synthetic, YUPO papers are 100% water resistant and
> otherwise extremely durable. YUPO has excellent tear resistance and is
> highly resistant to chemicals and oils. In addition to superior
> durability, YUPO synthetic papers have an extremely bright, smooth
> surface.
>
>
> ------------------------------------------------------------------------
> --------
>
> ..."
>
> Regards,
> Loris.
>

---------------------------------------------------------
Gordon J. Holtslander Dept. of Biology
holtsg@duke.usask.ca 112 Science Place
http://duke.usask.ca/~holtsg University of Saskatchewan
Tel (306) 966-4433 Saskatoon, Saskatchewan
Fax (306) 966-4461 Canada S7N 5E2
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Received on Fri Jan 30 11:00:36 2004