I agree with Dean on this. I have an artist friend who works in pastels,
and she uses a very light coat of Krylon to prevent her art from
"blowing off the paper" and I have occasionally used it on red rot
leather. I did a quick check on the internet and didn't find any "proof"
that Krylon, in any of its formulations, really does anything other than
maybe adding some physical protection. People who are concerned about
the permanence (chemical stability) of photographic images of all types
should take a look at the Wilhelm Imaging Research website,
http://www.wilhelm-research.com/index.html.
Michael McColgin
Conservation Officer
Arizona State Archives
-----Original Message-----
From: Archives & Archivists [mailto:[log in to unmask]] On
Behalf Of Dean Debolt
Sent: Tuesday, March 14, 2006 10:31 AM
To: [log in to unmask]
Subject: Re: spray coatings for pictures
The Krylon acrylic spray is considered a fixative and often recommended
for
artists
using pencil, pastels, etc. It sprays a clear plastic coating on items
and
has been
recommended in archives to cover some of these deteriorated leather
courthouse
books which have reached "red dust" or leather flaking. I've heard
apocryphal
stories that it can peel off or yellow with time.
It actually does not "preserve" anything, it simply coats to seal flaky
material to paper.
It will provide some waterproofing to items and does give items a shiny
gloss if that's
what you desire.
Frankly, I would not recommend it for anything permanent. It may be at
the
workshop
there was concern over color inks and photograph printing from computer
color printers. These inks have to be liquid enough to spray on the
paper
but dark enough
in color to give vivid colors. If you are printing photographs on
paper,
then spraying
them would make the paper look like a shiny photograph.
Dean
Dean DeBolt
University Librarian, Special Collections
John C. Pace Library, University of West Florida
11000 University Parkway
Pensacola, FL 32514-5750
850-474-2213
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