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Subject: Adhesive for paper

Adhesive for paper

From: Allyson McDermott <allysonmcdermott>
Date: Monday, October 20, 2003
Franklin Shores <f.shores [at] verizon__net> writes

>Morgan Croney <mcroney [at] sva__edu> writes
>
>>I am attempting to adhere 156 pound hotpressed watercolor paper to a
>>smooth board. The goal is to have a smooth surface that will not
>>curl over time. A graphite drawing will be made on the paper.
>
>Affixing paper solidly to a board is not a good idea. There will be
>expansion and contraction of the paper with changes in humidity and
>the paper can buckle. It would be better to hinge the paper and
>allow it to expand as needed. Paper that size can expand
>considerably with changes in humidity.

Although 19th century pasteboard could be made by laminating sheets
of paper to board, these were generally small scale. Traditionally,
large sheets of watercolour paper would be pasted onto linen or
stout paper and tacked around a wooden stretcher or strainer. Modern
conservation alternatives include wrapping the paper around an acid
free honey comb core board, attaching it at the back with either
starch paste or pre-prepared acid-free tapes. Japanese paper margins
or linings can be used to pre-stretch the paper and/or provide an
additional barrier layer. This eliminates the dangers of movement,
curling etc and is easily reversible as no glue is used on the
object itself.

Allyson McDermott


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                  Conservation DistList Instance 17:36
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Received on Monday, 20 October, 2003

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