Difference between revisions of "White shellac"

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[[File:41-48_White.Shellac_canvas.jpg|thumb|White Shellac]]
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[[File:41-48_White.Shellac_canvas.jpg|thumb|White Shellac on unsized canvas (visible light left; UV light right)]]
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[[File:42-49_White.Shellac-gypsum.glue_canvas.jpg|thumb|White Shellac on gypsum glue canvas (visible light left; UV light right)]]
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[[File:44-50_White.Shellac-chalk.glue_canvas.jpg|thumb|White Shellac on chalk glue canvas (visible light left; UV light right)]]
 
== Description ==
 
== Description ==
  
A transparent, colorless [http://cameo.mfa.org/materials/fullrecord.asp?name=shellac shellac]. White shellac is decolorized with bleach ([http://cameo.mfa.org/materials/fullrecord.asp?name=sodium%20hypochlorite sodium hypochlorite]) or alkali. It is soluble in [http://cameo.mfa.org/materials/fullrecord.asp?name=ethyl%20alcohol ethanol].
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A transparent, colorless [[shellac|shellac]]. White shellac is decolorized with bleach ([[sodium%20hypochlorite|sodium hypochlorite]]) or alkali. It is soluble in [[ethyl%20alcohol|ethanol]].
  
 
== Synonyms and Related Terms ==
 
== Synonyms and Related Terms ==
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bleached shellac; gomme laque blanche (Fr.); goma laca blanca (Esp.); goma laca blanqueada (Esp.)
 
bleached shellac; gomme laque blanche (Fr.); goma laca blanca (Esp.); goma laca blanqueada (Esp.)
  
== Additional Images ==
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==Resources and Citations==
 
 
<gallery>
 
File:42-49_White.Shellac-gypsum.glue_canvas.jpg|White Shellac
 
File:44-50_White.Shellac-chalk.glue_canvas.jpg|White Shellac
 
</gallery>
 
 
 
 
 
== Sources Checked for Data in Record ==
 
  
 
* G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971  Comment: p. 706
 
* G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971  Comment: p. 706

Latest revision as of 09:07, 27 June 2022

White Shellac on unsized canvas (visible light left; UV light right)
White Shellac on gypsum glue canvas (visible light left; UV light right)
White Shellac on chalk glue canvas (visible light left; UV light right)

Description

A transparent, colorless Shellac. White shellac is decolorized with bleach (Sodium hypochlorite) or alkali. It is soluble in ethanol.

Synonyms and Related Terms

bleached shellac; gomme laque blanche (Fr.); goma laca blanca (Esp.); goma laca blanqueada (Esp.)

Resources and Citations

  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 706
  • Dictionary of Building Preservation, Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996