Difference between revisions of "Escal"

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* Storage and preservation of a variety of materials, especially those sensitive to moisture and oxidation.  
 
* Storage and preservation of a variety of materials, especially those sensitive to moisture and oxidation.  
 
==Personal Risks==
 
==Personal Risks==
==Collections Risks==
+
==Collection Risks==
 +
 
 
==Physical and Chemical Properties==
 
==Physical and Chemical Properties==
* Moisture barrier: 0.01 g/m2.day @ 25°C 60%RH  
+
The mitigation rates of Escal are:
* Oxygen barrier: 0.05 cc/M2.day.atm @ 25°C 60%RH
+
* Moisture barrier: 0.01 g/m2.day @ 25°C 60%RH  
 +
* Oxygen barrier: 0.05 cc/M2.day.atm @ 25°C 60%RH
  
 
==Working Properties==
 
==Working Properties==
 
Escal can be unrolled and cut down to the desired length and sealed with a heat sealer.  
 
Escal can be unrolled and cut down to the desired length and sealed with a heat sealer.  
An escal enclosure can be utilized with the Revolutionary Preservation (RP) System in two different ways:   
+
An Escal enclosure can be utilized with the Revolutionary Preservation (RP) System in two different ways:   
RP Type A – Involves the use of both oxygen and moisture scavengers.  
+
* RP Type A – Involves the use of both oxygen and moisture scavengers.  
RP Type K – Involves only oxygen scavengers but is moisture neutral, in which moisture cannot be removed or introduced into the enclosure. (Mainly used to protect photographs, films and dyed products.) [http://ageless.mgc-a.com/RP%20System%20Brochure%20(Cultural%20Assets).pdf Link]
+
* RP Type K – Involves only oxygen scavengers but is moisture neutral, in which moisture cannot be removed or introduced into the enclosure. (Mainly used to protect photographs, films and dyed products.) [http://ageless.mgc-a.com/RP%20System%20Brochure%20(Cultural%20Assets).pdf Link]
  
 
==Forms and Sizes==
 
==Forms and Sizes==
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==Resources and Citations==
 
==Resources and Citations==
  
* Collins, Chris. “Barrier Films.” The Natural History Museum, 1999. http://conservation.myspecies.info/sites/conservation.myspecies.info/files/Barrier%20Films%20Notes.pdf
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* Rio Lopez, contributed information, MWG group, 2020.
 +
* Collins, Chris. “Barrier Films.” The Natural History Museum, 1999. [Http://conservation.myspecies.info/sites/conservation.myspecies.info/files/Barrier%20Films%20Notes.pdf Link]
  
 
* Conservation by Design International, 2020. https://www.cxdinternational.com/escal-neo-gas-barrier-film-suesne7755
 
* Conservation by Design International, 2020. https://www.cxdinternational.com/escal-neo-gas-barrier-film-suesne7755
  
* Mitsubishi Gas Chemical America, Inc. “Revolutionary Preservation System.” 2020.  
+
* Mitsubishi Gas Chemical America, Inc. “Revolutionary Preservation System.” 2020. [http://ageless.mgc-a.com/product/rp-system/#:~:text=The%20RP%20System%2C%20also%20known,many%20different%20types%20of%20objects Link]
[http://ageless.mgc-a.com/product/rp-system/#:~:text=The%20RP%20System%2C%20also%20known,many%20different%20types%20of%20objects]
 
  
 
[[Category: Materials database]][[Category: MWG]][[Category: Sheet/Film, Composite]]
 
[[Category: Materials database]][[Category: MWG]][[Category: Sheet/Film, Composite]]

Latest revision as of 13:45, 26 October 2020

Description

A transparent, high moisture, and oxygen barrier film originally developed for use with the Mitsubishi Revolutionary Preservation (RP) System. Escal is coated with a ceramic polyvinyl alcohol film with no plasticizers (polypropylene (OPP)\Silica deposited PVAL\ LLDPE).

Synonyms and Related Terms

Barrier film, Escal Neo Oxygen Barrier film

Applications

  • Storage and preservation of a variety of materials, especially those sensitive to moisture and oxidation.

Personal Risks

Collection Risks

Physical and Chemical Properties

The mitigation rates of Escal are:

  • Moisture barrier: 0.01 g/m2.day @ 25°C 60%RH
  • Oxygen barrier: 0.05 cc/M2.day.atm @ 25°C 60%RH

Working Properties

Escal can be unrolled and cut down to the desired length and sealed with a heat sealer. An Escal enclosure can be utilized with the Revolutionary Preservation (RP) System in two different ways:

  • RP Type A – Involves the use of both oxygen and moisture scavengers.
  • RP Type K – Involves only oxygen scavengers but is moisture neutral, in which moisture cannot be removed or introduced into the enclosure. (Mainly used to protect photographs, films and dyed products.) Link

Forms and Sizes

Available in single sheet rolls and double sheet rolls.

Resources and Citations

  • Rio Lopez, contributed information, MWG group, 2020.
  • Collins, Chris. “Barrier Films.” The Natural History Museum, 1999. Link
  • Mitsubishi Gas Chemical America, Inc. “Revolutionary Preservation System.” 2020. Link