[Alt-photo] masking edges

Bob Cornelis bob at colorfolio.com
Tue Jun 13 19:03:40 UTC 2017


Clay

Just ordered some so I'll give it a try and report on how I do. I wondered
about whether you needed to do something particular along the inner edge,
so thanks for giving offering that tip!

Bob

On Tue, Jun 13, 2017 at 11:56 AM, Clay Harmon via Alt-photo-process-list <
alt-photo-process-list at lists.altphotolist.org> wrote:

> May be some paper variables in there too. it borders on not being sticky
> enough, whereas the blue painters tape and yellow frog tape are often too
> sticky and pull up the paper when it is removed.
>
> I use the frog tape on gumovers because they have a layer of gelatin
> sizing that seems to protect the paper.
>
> The tricky ones are the out-of-the-package papers that don’t have any
> additional sizing. The 3M stuff worked okay for me with Revere so long as I
> really mashed that edge in with my fingers before coating.
>
> Clay
> > On Jun 13, 2017, at 2:52 PM, Kerik Kouklis via Alt-photo-process-list <
> alt-photo-process-list at lists.altphotolist.org> wrote:
> >
> > Clay,
> >
> > I tried that tape 3 years ago and couldn't get a clean edge. Always got
> a little leakage. Maybe I'll get a fresh roll and try it again.
> >
> > -Kerik
> > www.kerik.com <http://www.kerik.com/>
> >
> >
> > -----Original Message-----
> > From: Alt-photo-process-list [mailto:alt-photo-process-
> list-bounces at lists.altphotolist.org <mailto:alt-photo-process-
> list-bounces at lists.altphotolist.org>] On Behalf Of Webmaster via
> Alt-photo-process-list
> > Sent: Tuesday, June 13, 2017 9:36 AM
> > To: Bob Cornelis; alt-photo-process-list at lists.altphotolist.org <mailto:
> alt-photo-process-list at lists.altphotolist.org> list
> > Subject: Re: [Alt-photo] masking edges
> >
> > Best tape I have found that is still available is the 3M post-it tape:
> >
> >
> > https://www.amazon.com/Post-Labeling-695-Inches-Yards/dp/
> B000SPHL0O/ref=sr_1_2?ie=UTF8&qid=1497371691&sr=8-2&
> keywords=3M+post+it+tape <https://www.amazon.com/Post-
> Labeling-695-Inches-Yards/dp/B000SPHL0O/ref=sr_1_2?ie=UTF8&
> qid=1497371691&sr=8-2&keywords=3M+post+it+tape> <
> https://www.amazon.com/Post-Labeling-695-Inches-Yards/dp/
> B000SPHL0O/ref=sr_1_2?ie=UTF8&qid=1497371691&sr=8-2&
> keywords=3M+post+it+tape <https://www.amazon.com/Post-
> Labeling-695-Inches-Yards/dp/B000SPHL0O/ref=sr_1_2?ie=UTF8&
> qid=1497371691&sr=8-2&keywords=3M+post+it+tape>>
> >
> > Seals the edge but removes without tearing the paper, which is a problem
> I have with the blue painter’s tape.
> >
> > clay
> >> On Jun 13, 2017, at 12:25 PM, Bob Cornelis via Alt-photo-process-list <
> alt-photo-process-list at lists.altphotolist.org> wrote:
> >>
> >> I'm interested in recommendations for the best way to mask edges to
> >> get a clean, straight line. I'm mainly doing pt/pd and cyanotype.
> >>
> >> I'd prefer to not just extend the edge of the neg with black as
> >> sometimes it's hard to get perfect clearing, especially with
> >> cyanotype. I know that various tapes have come and gone over time so
> >> wondered if anyone has a good source for a tape that doesn't mar
> >> papers (Platine and HPR) and doesn't "leak" under the edge.
> >>
> >> Haven't tried rubylith but it seems expensive, sort of a pain to use
> >> and not sure if it would have the same problem with clearing highlights.
> >>
> >> Thanks!
> >> Bob
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