[alt-photo] Re: sizing options for color gum

Don Bryant donsbryant at gmail.com
Wed Jan 18 20:53:25 GMT 2012 

Well I do use a Dremel tool with a home made stirring attachment to mix my
gum/pigment & gum/pigment/dichromate solutions!

Perhaps a belt sander would be a 'propos for gum on wood for clearing
fisheyes ;)

  

-----Original Message-----
From: alt-photo-process-list-bounces at lists.altphotolist.org
[mailto:alt-photo-process-list-bounces at lists.altphotolist.org] On Behalf Of
Peter Blackburn
Sent: Wednesday, January 18, 2012 3:25 PM
To: alt-photo-process-list at lists.altphotolist.org
Subject: [alt-photo] Re: sizing options for color gum


I take it you say that in jest. Well, I suppose so if you keep the pressure
really, really, light.You'll know you've gone too far when you see your work
bench underneath! Now THAT will be a BIG 'ol fish eye! :-)  

Peter J. Blackburn> From: donsbryant at gmail.com
> To: alt-photo-process-list at lists.altphotolist.org
> Date: Wed, 18 Jan 2012 15:16:26 -0500
> Subject: [alt-photo] Re: sizing options for color gum
> 
> Can I use my palm sander for that? :)
> 
> -----Original Message-----
> From: alt-photo-process-list-bounces at lists.altphotolist.org
> [mailto:alt-photo-process-list-bounces at lists.altphotolist.org] On Behalf
Of
> Peter Blackburn
> Sent: Wednesday, January 18, 2012 3:08 PM
> To: alt-photo-process-list at lists.altphotolist.org
> Subject: [alt-photo] Re: sizing options for color gum
> 
> 
> Here's a suggestion to try. To minimize or prevent "fish eyes" (the
hardened
> or dried layer of one surface repelling the wet emulsion of a new layer),
> try applying a very light rub of 600 grit sandpaper over the surface
before
> you apply the new layer. If I know a certain pigment will probably cause
> fish eyes, such as dried layer of Sennelier Red for example, then light
> sanding can help minimize the fish eyes. Of course, fish eyes can pop up
> anytime, even when you least expect it. My Richeson 9010 brushes handle
them
> with no worries-just a minor annoyance. Cheers.
> Peter J. Blackburn
>  > From: viapiano at pacbell.net
> > To: alt-photo-process-list at lists.altphotolist.org
> > Date: Wed, 18 Jan 2012 11:25:28 -0800
> > Subject: [alt-photo] Re: sizing options for color gum
> > 
> > I wasn't criticizing or one-upping you, Don...or calling YOU
fussy...love 
> > ya, man!
> > 
> > 
> > ----- Original Message ----- 
> > From: "Don Bryant" <donsbryant at gmail.com>
> > To: "'The alternative photographic processes mailing list'" 
> > <alt-photo-process-list at lists.altphotolist.org>
> > Sent: Wednesday, January 18, 2012 11:22 AM
> > Subject: [alt-photo] Re: sizing options for color gum
> > 
> > 
> > > Well to clarify for everyone, I have nothing against a foam brush or
the
> > > foam roller; I coat with a micro-foam roller and then burnish with the
> > > badger hair brush, not fussy at all; quick, easy and effective for
minor
> > > flaws like fish eyes.
> > >
> > > Don
> > >
> > >
> > > -----Original Message-----
> > > From: alt-photo-process-list-bounces at lists.altphotolist.org
> > > [mailto:alt-photo-process-list-bounces at lists.altphotolist.org] On
Behalf
> 
> > > Of
> > > Paul Viapiano
> > > Sent: Wednesday, January 18, 2012 2:09 PM
> > > To: The alternative photographic processes mailing list
> > > Subject: [alt-photo] Re: sizing options for color gum
> > >
> > > I use a foam brush or roller...works great, too!
> > >
> > > I find the less fussy I am with a process, the better it turns out...
> > >
> > >
> > >
> > > ----- Original Message ----- 
> > > From: "Don Bryant" <donsbryant at gmail.com>
> > > To: "'The alternative photographic processes mailing list'"
> > > <alt-photo-process-list at lists.altphotolist.org>
> > > Sent: Wednesday, January 18, 2012 10:46 AM
> > > Subject: [alt-photo] Re: sizing options for color gum
> > >
> > >
> > >> +1. Perfect excuse to have a badger hair brush (real or fake).
> > >>
> > >> Don
> > >>
> > >> -----Original Message-----
> > >> From: alt-photo-process-list-bounces at lists.altphotolist.org
> > >> [mailto:alt-photo-process-list-bounces at lists.altphotolist.org] On
> Behalf
> > >> Of
> > >> Paul Viapiano
> > >> Sent: Wednesday, January 18, 2012 1:36 PM
> > >> To: The alternative photographic processes mailing list
> > >> Subject: [alt-photo] Re: sizing options for color gum
> > >>
> > >> You can brush out those fish eyes... Just keep brushing if that's
what
> > >> you're experiencing.
> > >>
> > >>
> > >>
> > >> On Jan 18, 2012, at 3:39 AM, Henry Rattle <henry.rattle at ntlworld.com>
> > >> wrote:
> > >>
> > >>> Hi - a year or two back I did some comparisons between PVA and my
> normal
> > >>> sizing of 3% food gelatin brushed on with formalin in a
> well-ventilated
> > >>> room. I use Saunders Waterford HP or Fabriano Artistico traditional 
> > >>> white
> > >>> CP, and these tests were with 3-colour prints coated in the order
> Winsor
> > >>> Yellow - WN Permanent Rose - Winsor Blue (green shade).
> > >>>
> > >>> The conclusions in my notebook were:
> > >>>
> > >>> PVA sizing is very quick and easy, and the paper curls less than
with
> > >>> gelatin.
> > >>>
> > >>> At full strength, the Gamblin PVA-sized paper was hard to coat
evenly
> > >>> with
> > >>> gum/pigment - lots of fish-eyes and lots of brushing needed (with
> > >>> gelatin,
> > >>> the gum goes on with relatively little brushing). Clearing the gum
> coat
> > >>> after exposure was almost too easy.
> > >>>
> > >>> With 1+1 dilution of the PVA, gum coats went on better. 1+2 was
harder
> 
> > >>> to
> > >>> clear. Clearing was OK, but the final texture of the prints, viewed 
> > >>> close
> > >>> up, was noticeably less smooth with the PVA than with gelatin. The
> print
> > >>> texture is "speckled" - maybe I did't coat the PVA well enough - but
I
> > >>> preferred the smoother final texture of the gelatin-sized print. Of
> > >> course,
> > >>> as Chris pointed out, PVA is a lot less hassle than coating with
hot,
> > >> smelly
> > >>> gelatin!
> > >>>
> > >>> I'll give it another go - and next time I think I'll try Diana's 
> > >>> approach
> > >> of
> > >>> sizing only after the first colour layer. What a great source of
> > >> inspiration
> > >>> this list is!
> > >>>
> > >>> Best wishes to you all
> > >>>
> > >>> Henry
> > >>>
> > >>>
> > >>> On 17/01/2012 14:08, "Peter Blackburn" <blackburnap at hotmail.com>
> wrote:
> > >>>
> > >>>>
> > >>>> Fair enough, to each his or her own. I originally kept an iron
around
> 
> > >>>> as
> > >> a
> > >>>> "quick fix" to help flatten papers which exhibited too much curl
and
> > >> buckling.
> > >>>>
> > >>>> Peter J. Blackburn
> > >>>>
> > >>>>> From: dhbloomfield at bellsouth.net
> > >>>>> To: alt-photo-process-list at lists.altphotolist.org
> > >>>>> Date: Tue, 17 Jan 2012 08:51:52 -0500
> > >>>>> Subject: [alt-photo] Re: sizing options for color gum
> > >>>>>
> > >>>>> Thanks, Peter.
> > >>>>>
> > >>>>> I actually did all but #3 on your list.  Honestly, I don't even
> think
> > >>>>> I own an iron (and don't plan on buying one any time soon).
> > >>>>>
> > >>>>> The final coat  (unsized) was actually fine; I certainly would
have
> > >>>>> had no problem exhibiting it.  In a side-by-side comparison,
though,
> I
> > >>>>> simply didn't like it as much as the one I made with a thin
coating
> of
> > >>>>> PVA, so -- as stated before-- I'll happily go back to using that.
> My
> > >>>>> preference is subjective, for sure; I could have shown it to
someone
> > >>>>> else, and he/she may have liked the other better.
> > >>>>>
> > >>>>> And I don't actually find using PVA a problem-- at all.  It's non-
> > >>>>> toxic, relatively inexpensive, lasts forever, extraordinarily easy
> to
> > >>>>> use, doesn't leave a shine when I apply it, and takes very little
> time
> > >>>>> to apply (certainly less time than ironing-- though, at this
point,
> I
> > >>>>> can barely remember what ironing is like??).
> > >>>>>
> > >>>>> Thanks again.
> > >>>>>
> > >>>>> Diana
> > >>>>>
> > >>>>> On Jan 17, 2012, at 8:35 AM, Peter Blackburn wrote:
> > >>>>>
> > >>>>>>
> > >>>>>> Just a brief follow up on this portion of Diana's comment,  "I
know
> > >>>>>> you're already aware of all this, and this isn't specifically
> > >>>>>>> what you asked--  but I also recently printed an image on
Fabriano
> > >>>>>>> soft-press without sizing all, using what was only in the paper.
> It
> > >>>>>>> did really well, though I felt the third coat wasn't as "clean"
as
> I
> > >>>>>>> would have preferred-- so I just went back to using the PVA.  I
> just
> > >>>>>>> know for sure, using that, that I won't have a problem." My
> > >>>>>>> suggestions would be 1) be certain the chosen pigments are
capable
> > >>>>>>> of printing "clean" on out-of-the-package Fabriano if brilliant
> > >>>>>>> highlights are desired. 2) be certain the paper is completely
dry
> > >>>>>>> between coats, and 3) before applying an additional coat, try
> > >>>>>>> ironing the paper with the iron set on a midrange heat
selection.
> > >>>>>>> AKD is a type of synthetic wax which "melts" under heat. Ironing
> > >>>>>>> the paper will restore a bit of smoothness while rejuvenating
the
> > >>>>>>> residing AKD in the paper.  Cheers everyone!
> > >>>>>> Peter J. Blackburn
> > >>>>>
> > >>>>> _______________________________________________
> > >>>>> Alt-photo-process-list | http://altphotolist.org/listinfo
> > >>>>
> > >>>> _______________________________________________
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