Re: Gum print formaline

Hello Chris,
How much 2.8% gelatin solution contains your thermos?

kees

Christina Z. Anderson wrote:

> Hi,
> Yes, I have been using 6 ml of the 2.5% to a 2.8% gelatin (Knox
> brand). Let me tell you my process--it may help:
>
> I soak the gelatin and then heat it up to between 140 and 160; then I
> pour it into a dedicated thermos. I squirt in the 6 ml glut and
> stir. Then I go OUTSIDE and brush coat my paper. I pour in about 1/4
> cup of the solution into the top of the thermos and use that. The
> rest remains hot, until I need to fill up the cup again.
>
> This way I am exposed to very little glut. I hang the paper to dry on
> a clothesline with baby hangers with 2 clothespins each.
>
> I have been using either 2 coats or 1 coat of this, and it seems not
> to make a difference. 2 coats may be overkill. On Artistico (the
> new) you definitely only need one coat. 500ml of this coats 30 16x20
> sheets one time.
>
> Of course, the reality of my sizing process is this: this week I
> struggled, b----ing and moaning, with Fabriano Uno and sizing. I ran
> out of Artistico and Jerry's Artarama did, too. In the meantime, it
> decided to get cold here, so I was outside in the evening, trying to
> quickly size 30 16x20's. It was getting darker and colder. The
> gelatin was deciding to make Jello when it hit the paper. The
> humidity has been low so every time I print I have to wet the back of
> the paper to get it to expand enough to fit the negative. Not a good
> week.
>
> One thing I did find out, interestingly, is that my gum layers are
> glossier on Uno. Maybe the Jello sizing has contributed to that
> effect. But I want my Fabriano Artistico back...
> Chris
Received on Thu Jan 27 08:39:17 2005