Re: Tissue Problem

Eric,

The problem is a common one that I have never been able to completely
eliminate. In essence, the swirl pattern is caused by some type of
oil in the glop, either from the animal matter of the gelatin or from
the pigments.

There are two precautions that if taken will almost eliminate the
problem. First, after the glop has been mixed and allowed to set for
an hour or so strain it through a very fine mesh, such as a paper
coffee filter. That will almost completely eliminate the problem, or
at least it does in my case. Next, and if necessary, try to locate a
bottom opening container that will allow you to pour the gelatin from
the bottom rather than the top.

The oil is of course lighter than the glop and sits on top of it, so
if your pour from the bottom you eliminate a lot of problems, not
only oil but also other particles that are lighter than the glop and
find their way to the top of the solution.

Best,

Sandy

>Hello -
>
>I've been making my own tissue for several months. I've had the
>usual problems associated with learning to make tissue, but have
>solved them. However, just recently I have had a new problem crop
>up that I have no idea what the cause is. My prints have a "swirl"
>pattern overlaid on the image. When I made another batch of tissue,
>I noticed that when the gelatin was "cooking", there was what
>appeared to be a "oil slick" on the surface, that was similar in
>pattern to what is on the print. This was just gelatin; I had not
>added sugar or pigment at that point. The drying tissue also has
>that pattern when viewed at a glare angle. So I see that the
>pattern is transferred to the print.
>
>The only thing I've done differently was to have the gelatin a
>container that is placed in a water bath on the stove. Previously I
>would put the container in a tray of hot water that I periodically
>added hot water to in order to maintain the temperature. I'm going
>to go back to that method to see if the problem goes away, but I'm
>wondering if anyone has any ideas.
>
>Thanks.
>
>Eric.
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Received on Wed Dec 21 12:49:33 2005