RE: Cyanotype Problem


Keith Gerling (kgerling@ameritech.net)
Tue, 23 Nov 1999 13:17:00 -0600


Yep. That's my current strategy. Thanks.

...now if I could only keep track of those copies of P-F..

-----Original Message-----
From: Judy Seigel [mailto:jseigel@panix.com]
Sent: Tuesday, November 23, 1999 12:26 PM
To: Alt-Photo-Process-L
Subject: Re: Cyanotype Problem

On Tue, 23 Nov 1999, Keith Gerling wrote:

> When attempting to coat sized paper with Ware cyanotype, I am puzzled that
> the solution seems to be reacting almost immediately upon hitting the
paper,
> turning green and essentially becoming fogged.
>
> I'm using Rives BFK, sized with Knox gelatin and hardened with Glyoxal. I
> have no problems with non-sized BFK, but as I am intending to overprint
with
> gum, the paper needs to be sized. Any ideas as to what's going on?
>

Keith, "Regular" cyanotype doesn't much like gelatin, and I assume Ware
cyanotype doesn't either... though it could well be the hardening from the
glyoxal. In any event, I suggest you do as Sarah Van Keuren mentioned in
Post-Factory #3 -- she shrinks the paper first, before cyanotyping, then
puts on the cyanotype, AFTER which she gelatin sizes for gum.

Judy

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