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The brown with mud color in middle is the oxide side where the magnetic
layer have ripped off. The black with the brown in middle is the backing
where the oxide has ended up.

Cheers
M6

On Tue, 18 Sep 2018, 9:16 AM John Haley, <[log in to unmask]> wrote:

> I just tried that, Marie, and it worked for me.  But the photos look like
> tape where the oxide has mostly been scraped off already.  In my
> experience, a typical sticky shed tape looks a lot like any other tape,
> although very often they are black back-coated tapes, as opposed to brown
> tapes.  If the oxide is intact, there is not much to see that will tell you
> it has a sticky-shed problem.  But when you try to play it, you learn
> pretty fast.  And after cleaning up a machine that has the goo all over it,
> you quickly learn some respect for the bad tape.  You should never try to
> play such a tape without baking it first.
>
> Best,
> John Haley
>
>
> On Mon, Sep 17, 2018 at 4:38 PM, Marie O'Connell <[log in to unmask]>
> wrote:
>
> > Please let me know if this Google Drive link works -
> > https://drive.google.com/drive/folders/1GI104WWKg4_
> > lcrPiSUvmxYf5_Fy5N9Mj?usp=sharing
> >
> > Thanks,
> > Marie
> >
> > On Tue, Sep 18, 2018 at 8:08 AM Marie O'Connell <[log in to unmask]>
> wrote:
> >
> > > Here are two examples of Agfa PEM 469 taken a few years back, as you
> can
> > > see the oxide has adhered to the backing layer.
> > > Is this what you are after Cary?
> > >
> > > Cheers,
> > > Marie O'Connell
> > >
> > > On Tue, Sep 18, 2018 at 6:44 AM lists <[log in to unmask]> wrote:
> > >
> > >> Hi:
> > >>
> > >> I have a number of photos of sticky shed on posts and built up on the
> > tape
> > >> itself but the photos are of video tape.
> > >>
> > >> The bottom two photos on this link are sticky shed on Betacam tapes.
> > The
> > >> bottom right picture is actually sticky shed residue (oligomer)
> > >> redeposited
> > >> on a tape:
> > >>
> > >> http://www.specsbros.com/white-paper-common-signs-of-
> > 8203problem-34-and-beta
> > >> -videocassettes.html
> > >> <http://www.specsbros.com/white-paper-common-signs-of-
> > 8203problem-34-and-beta-videocassettes.html>
> > >>
> > >> The third thru sixth photos on this page are also the effects of
> sticky
> > >> shed:
> > >>
> > >> http://www.specsbros.com/white-paper-dangers-of-
> > inadequate-restoration.html
> > >>
> > >> Don't know if these could work for what you need.  If so, feel free to
> > use
> > >> them.  If in a publication, simply give credit reference.
> > >>
> > >>
> > >>
> > >> Peter Brothers
> > >> SPECS BROS., LLC
> > >> 973-777-5055
> > >> [log in to unmask]
> > >> Audio and video restoration and re-mastering since 1983
> > >>
> > >>
> > >>
> > >> On Sep 13, 2018, at 11:57 AM, O'Dell, Cary <[log in to unmask]> wrote:
> > >>
> > >> > Hello.  Does anyone have or know of a photo (or video footage) that
> > >> illustrates the problem of "sticky shed" as it pertains to audiotape.
> > >> >
> > >> > If so, can you please send it to me?
> > >> >
> > >> > (It needs to be okay to post it online.)
> > >> >
> > >> > Thx.
> > >> >
> > >> >
> > >> >
> > >> > Cary O'Dell
> > >> > National Recording Registry
> > >> > Library of Congress
> > >> > 19053 Mt. Pony Road
> > >> > Culpeper, VA  22701
> > >> > 202-707-0394
> > >> > FAX:  202-707-0848
> > >> > [log in to unmask]
> > >> >
> > >>
> > >
> >
>