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Subject: Leather consolidation

Leather consolidation

From: Craig Deller <craig1708>
Date: Wednesday, August 21, 1996
Elizabeth Wild <ewild [at] mov__vic__gov__au> writes

>I have heard about some conservators using 4% Klucel E in ethanol or
>acetone and Klucel G mixed in ethanol to a "consistency of syrup".
>Has anyone used these particular recipes and if so, what were your

Klucel G has been a popular leather consolidant, but remember that
popular solvents can react with vegetable tannins. Julia Fenn wrote
in a paper (IIC Paris 1984, AATA Abstract 21-2322) that she had
compared Klucel G in ethanol and B-72 in diethylbenzene and found
the B-72 to have a better appearance when consolidating powdery
leathers.  She writes:

   "It seemed as if Klucel G in ethanol, as described by Hofenk-de
    Graaff would meet these requirements and for some rotted
    leathers it does indeed work very well. Unfortunately, skins
    themselves are so variable that the effects of a consolidant are
    not consistent from one artifact to another. Klucel C, for
    example, sometimes darkens the surface to an unacceptable
    extent, so it is sometimes necessary to have a range of suitable

Craig Deller
The Deller Conservation Group
Geneva, Illinois

                  Conservation DistList Instance 10:21
                  Distributed: Friday, August 23, 1996
                       Message Id: cdl-10-21-002
Received on Wednesday, 21 August, 1996

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