Another standard approach is to lay down a base coat of B-72 & then topcoat with
the B-67. This approach allows one to use a lot of the "archival" pens on the
market which smudge with the acetone if you try & top coat with it. The active
ingredient in Soluvar is B-67.
Susan L. Maltby, Conservator
Maltby & Associates Inc.
Adjunct Professor, Museum Studies
Programme, University of Toronto
Quoting Rosie DiVernieri <[log in to unmask]>:
> And if you are worried about using B-72 due to it's acetone base, we have
> found that B-67 with a naptha base, available from the Northern States
> Conservation Center http://www.collectioncare.org/tas/tas.html , works very
> well on metal objects and is easily removeable .
>
> Rosie DiVernieri
>
>
> David Harvey <[log in to unmask]> wrote:
> Michelle,
>
> Reversibility with Acryloid B-72 is NOT an issue as long as one
> understands that any coating/solvent system (including ink or paint)
> that is used on a porous material may pose some concerns for
> revesibility. But there are many well accepted methods for marking
> textiles, paper based objects, etc.
>
> One never uses any solvent system on a painted or coated artifact
> unless one has done solvent soluability tests in an inconspicuous place
> to ascertain if this poses a problem. I have seen B-72 used on the
> backs of paintings in uncoated areas or on the underside of a chair
> rail, for example, where the removal of the number would not affect the
> finish.
>
> I would hesitate to advise the use of a water soluable adhesive as
> those nice pre-printed labels could float off or dissolve if the object
> got wet in an event of a flood or a fire suppression system going off,
> or even a damp cleaning by someone.
>
> I believe that the NPS has a good ConservoGram on the labelling of
> musuem objects.
>
> Cheers!
> Dave
>
> David Harvey
> Conservator
> Los Angeles, California
>
>
> -----Original Message-----
> From: Michelle Zupan
> To: [log in to unmask]
> Sent: Mon, 21 Mar 2005 14:45:46 -0500
> Subject: Re: Seeking materials for accessioning/registration project
>
> There are various materials for labeling artifacts. The old school
> way is
> to use clear coat nailpolish and india ink. The problem is that
> reversibility is messy and will damage the artifact, especially painted
> and
> varnished surfaces. Many places use B-72 acryloid, sold by University
> Products, Gaylord, and other archival suppliers. It is preferable to
> nailpollish, but reversibility is still an issue. I've worked with
> several
> conservators who recommend: printing the object number out on acid-free
> paper with laser jet ink, putting down a base of water soluble adhesive
> onto
> the artifact, and placing the label on that. It seems to have good
> wear, is
> safely reversible, and you don't have the added issue of reading
> someone's
> handwriting (is it a 7 or a 4 or a 9??). The adhesives are available
> from
> all of the archival suppliers (all catalogs are available online).
>
> Michelle
>
>
> -----Original Message-----
> From: Museum discussion list [mailto:[log in to unmask]] On
> Behalf
> Of Lancer 525
> Sent: Monday, March 21, 2005 2:32 PM
> To: [log in to unmask]
> Subject: Seeking materials for accessioning/regisration project
>
> I've recently begun working on catching up the catalog of artifacts and
> other inventory of the small museum for which I work, and one of the
> things
> that has come up that I do not have in my supplies, is the "stuff" you
> put
> on an artifact on which you write the accession number.
>
> There is also a clear coating that you put over this "base" that seals
> the
> ink. I not only don't know where to find this kind of thing, but I
> don't
> even know what it is called.
>
> Also, if anyone can suggest sources for this, (preferably online
> sources) as
>
> well as good archival pens with which to mark artifacts, I would
> appreciate
> it!
>
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