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Cellugel
Cellugel uses
cellulose ethers (specifically hydroxypropylcellulose) and isopropanol to
treat red rot by penetrating the surface of leather. It consolidates the
leather substrate, depositing a thin film which provides resistance to
atmospheric conditions but does not darken or discolor leather surfaces. It
will not stain other materials it comes in contact with. Cellugel dries
quickly and the book may soon be handled safely. A second coat may prove
necessary for extremely thick or badly deteriorated volumes. It is an
excellent choice for consolidating powdery leather surfaces prior to
conservation treatments. If the top is kept closed, the product should not
evaporate, however, a little 100% isopropanol may be used for thinning. Water
should never be used, as it will cause staining and blackening of leather
surfaces. Expect a 16-oz jar to treat about 60 books measuring approximately
6 x 9 in. No special ventilation is required.
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