Difference between revisions of "Agateen Lacquer"

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(Description)
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Agateen lacquer #7; cellulose nitrate
 
Agateen lacquer #7; cellulose nitrate
  
== Other Properties ==
+
== Physical and Chemical Properties ==
  
 
Soluble in acetone.   
 
Soluble in acetone.   
  
== Hazards and Safety ==
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== Collection Risks ==
  
 
Becomes yellow and brittle with age.
 
Becomes yellow and brittle with age.
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'''Links to Oddy Test results posted on AIC Wiki Materials Database Pages for individual materials below'''
 
'''Links to Oddy Test results posted on AIC Wiki Materials Database Pages for individual materials below'''
  
° [http://www.conservation-wiki.com/wiki/Oddy_Test_Results:_Exhibition_Paints_and_Sealants#Agateen0001 Agateen] tested in 2016
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* [http://www.conservation-wiki.com/wiki/Oddy_Test_Results:_Exhibition_Paints_and_Sealants#Agateen0001 Agateen] tested in 2016
  
== Sources Checked for Data in Record ==
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== Resources and Citations ==
  
 
* AIC Conservation-Wiki: [http://www.conservation-wiki.com/wiki/Tarnish Tarnish]
 
* AIC Conservation-Wiki: [http://www.conservation-wiki.com/wiki/Tarnish Tarnish]

Revision as of 10:53, 24 June 2020

Description

A brand name for a Cellulose nitrate based solution that produces a crystal clear film often used to minimize tarnish on Silver and Silverplate. In the 1980s, The Winterthur Museum began testing lacquer coatings and chose Agateen Lacquer #27 to care for their silver collection based on its visual appearance, stability, and tarnish protection. Even so, the coating has a limited life expectancy of approximately 20-30 years dependent on environmental conditions. The application process, via brushing, spraying or dipping, is critical as the coating must an even, continuous film to provide protection from atmospheric pollutants. Agateen thinner is a solvent blend of Methyl isobutyl ketone, Toluene, butanol and Butyl acetate that is sold for use with Agateen lacquer.

Synonyms and Related Terms

Agateen lacquer #7; cellulose nitrate

Physical and Chemical Properties

Soluble in acetone.

Collection Risks

Becomes yellow and brittle with age.

Additional Information

Links to Oddy Test results posted on AIC Wiki Materials Database Pages for individual materials below

Resources and Citations

  • Chandra L. Reedy, Richard A Corbett, Deborah L. Long, Robert E. Tatnall and Bradley D. Krantz "Evaluation of three Protective Coating for Indoor Silver Objects", Objects Specialty Group postprints, American Institute for Conservation 27th Annual Meeting, St. Louis. Washington, D. C.:AIC. 6:41–69, 1998. Link
  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 436
  • Marie Svoboda, Conservation Survey Index, unpublished, 1997

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