silk gauze
A very thin. transparent. strong, finely meshed
silk cloth, which is used in archival work for
reinforcing paper and other materials. Pure silk
is one of the strongest materials available for
reinforcing paper, and is almost invisible when
properly applied. It is stronger than either
Japanese copying paper or lens tissue, but its
permanence is much less than that of a high
quality paper because it tends to deteriorate
relatively quickly. especially if exposed to
natural light. Deterioration proceeds even more
quickly if the adhesive used to attach the silk
contains alum as a preservative. The use of silk
gauze in archival work has declined over the years
in favor of various cellulose products, e.g., CELLULOSE ACETATE .
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