Difference between revisions of "Glassine"
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== Description == | == Description == | ||
[[File:Glassineenvelope.jpg|thumb|Glassine envelope]] | [[File:Glassineenvelope.jpg|thumb|Glassine envelope]] | ||
| − | A thin, semitransparent, shiny paper that is strong but flexible. Glassine is made from bleached sulfite wood pulp that has been excessively beaten, hydrated then supercalendered. It is resistant to oils and greases and, when waxed or laminated, nearly impermeable to air and water. Commercially, the most common usage of glassine is for the interior packaging of breakfast cereals. Glassine has been used as a facing for the wax lining of paintings since wax will not adhere strongly to it. The translucent paper was formerly used for storage enclosures of photographic negatives, but this action has been determined inappropriate by ISO since the gelatin may attached to the glassine under humid conditions (IPI 2001). Acid-free glassine and buffered glassine tissues are available from archival suppliers. However, even this pH neutral form is not always lignin free and may degrade with time limiting shelf life to 3-5 years ([http://www.paccin.org/content.php?78-Glassine PACCIN]). | + | A thin, semitransparent, shiny paper that is strong but flexible. Glassine is made from bleached sulfite wood pulp that has been excessively beaten, hydrated then supercalendered. It is resistant to oils and greases and, when waxed or laminated, nearly impermeable to air and water. Commercially, the most common usage of glassine is for the interior packaging of breakfast cereals. Glassine has been used as a facing for the wax lining of paintings since wax will not adhere strongly to it. The translucent paper was formerly used for storage enclosures of photographic negatives, but this action has been determined inappropriate by ISO since the gelatin may attached to the glassine under humid conditions (IPI 2001). Acid-free glassine and buffered glassine tissues are available from archival suppliers. However, even this pH neutral form is not always lignin free and may degrade with time limiting shelf life to 3-5 years ([http://www.paccin.org/content.php?78-Glassine PACCIN]). In addition, high humidity can cause glassine to deform, which can affect the wrapped object (Tetreault 2017). |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
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== Applications == | == Applications == | ||
| − | * | + | * Interleaving between prints, drawings and pastels |
| − | * | + | * Temporary envelopes or oversized photo corners to position and stabilize works on paper onto boards or trays during shipping |
| + | * Temporary smooth, frictionless dust cover | ||
== Collection Risks == | == Collection Risks == | ||
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== Forms/Sizes == | == Forms/Sizes == | ||
Acid-free glassine is available in pre-cut sheets 8 x 10” to 36 x 48”, rolls 36” – 60” wide, and as pre-made envelopes. | Acid-free glassine is available in pre-cut sheets 8 x 10” to 36 x 48”, rolls 36” – 60” wide, and as pre-made envelopes. | ||
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==Resources and Citations== | ==Resources and Citations== | ||
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| − | [[Category:Materials database]][[Category|PACCIN]][[Category | + | [[Category:Materials database]][[Category|PACCIN]][[Category:MWG]] [[Category:Sheet, Cellulose]] |
Latest revision as of 13:08, 2 October 2024
Description
A thin, semitransparent, shiny paper that is strong but flexible. Glassine is made from bleached sulfite wood pulp that has been excessively beaten, hydrated then supercalendered. It is resistant to oils and greases and, when waxed or laminated, nearly impermeable to air and water. Commercially, the most common usage of glassine is for the interior packaging of breakfast cereals. Glassine has been used as a facing for the wax lining of paintings since wax will not adhere strongly to it. The translucent paper was formerly used for storage enclosures of photographic negatives, but this action has been determined inappropriate by ISO since the gelatin may attached to the glassine under humid conditions (IPI 2001). Acid-free glassine and buffered glassine tissues are available from archival suppliers. However, even this pH neutral form is not always lignin free and may degrade with time limiting shelf life to 3-5 years (PACCIN). In addition, high humidity can cause glassine to deform, which can affect the wrapped object (Tetreault 2017).
Synonyms and Related Terms
glazed greaseproof paper; Pergamyn; parchmoid; pergamijn (Ned.); papier cristal (Fr.); Dünnpergamin (Deut.); Pergamin (Deut.); Pergaminpapier (Deut.); carta pergamena (It.); papel cristal (Esp.); pergamynpapper (Sven.)
Applications
- Interleaving between prints, drawings and pastels
- Temporary envelopes or oversized photo corners to position and stabilize works on paper onto boards or trays during shipping
- Temporary smooth, frictionless dust cover
Collection Risks
Acid treated pulp may darken and become acidic with age (Shelley 1987). Not recommended for direct contact or long-term storage. Wrinkles and creases may be abrasive.
Physical and Chemical Properties
High fiber density (1.4 grams/cc)
Forms/Sizes
Acid-free glassine is available in pre-cut sheets 8 x 10” to 36 x 48”, rolls 36” – 60” wide, and as pre-made envelopes.
Resources and Citations
- Jean Tetreault Products Used in Preventive Conservation CCI, December 2017. Link
- M.Shelley, The Care and Handling of Art Objects, the Metropolitan Museum of Art, New York, 1987.
- Image Permanence Institute, Scrapbook Preservation Technical Information, 2001, online at Scrapbook Dictionary
- Rachael Perkins Arenstein, Lisa Goldberg, and Eugenie Milroy, ‘Support and Rehousing for Collection Storage’ In ‘Preventive Conservation: Collection Storage’ Lisa Elkin and Christopher A. Norris (eds.), Society for the Preservation of Natural History Collections, New York. 2019.
- Preparation, Art Handling, Collections Care Information Network (PACCIN)
- The Dictionary of Paper, American Paper Institute, New York, Fourth Edition, 1980
- E.J.LaBarre, Dictionary and Encyclopedia of Paper and Paper-making, Swets & Zeitlinger, Amsterdam, 1969
- Boise Cascade Paper Group, The Paper Handbook, Boise Cascade, Portland OR, 1989
- Matt Roberts, Don Etherington, Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology, U.S. Government Printing Office, Washington DC, 1982
- Thomas Gregory, The Condensed Chemical Dictionary, Reinhold Publishing, New York, 3rd ed., 1942
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 576
- Silvie Turner, Which Paper?, Design Press, New York, 1991
- Multilingual Glossary for Art Librarians at http://www.ifla.org/VII/s30/pub/mgl.htm
- Irving Skeist, Handbook of Adhesives, Van Nostrand Reinhold Company, New York, 1977
- Teri Hensick, contributed information, 1998
- Book and Paper Group, Paper Conservation Catalog, AIC, 1984, 1989
- Art and Architecture Thesaurus Online, https://www.getty.edu/research/tools/vocabulary/aat/, J. Paul Getty Trust, Los Angeles, 2000PACCIN