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Subject: Polyester film

Polyester film

From: Amparo R. De Torres <ator>
Date: Wednesday, February 20, 2002
Library of Congress update on acceptance of polyester film products
for use in paper encapsulation

Polyethylene terephthalate (PET) films such as DuPont's Mylar D and
ICI's Mellinex 516, which we have recommended in the past for use in
encapsulation and other book and paper conservation practices, are
no longer being manufactured.  Therefore, we are actively engaged in
qualifying for our use suitable alternative products from other
manufacturers.  Thus far, we have determined that Hostaphan 43SM
film made by Mitsubishi Polyester Film, LLC, of Greer, SC, is an
acceptable substitute for use in our conservation laboratories.

Other interested manufacturers are invited to send samples for
laboratory testing and approval to the attention of Chandru J.
Shahani, Chief, Preservation Research and Testing Division.  As it
develops, we will continue to post information about this subject at

We are pleased to share information about product testing with the
preservation community, with the understanding that information
concerning favorable test results in no way implies product
endorsement.  Vendors are strictly prohibited by law from implying
or claiming that the Library of Congress endorses any specific
product, service, or material.

Amparo R. de Torres
Special Projects Officer
Conservation Division, LMG 38
Library of Congress
101 Independence Ave, SE
Washington, D. C., 20540-4530, USA
Fax: 202-707-1525

                  Conservation DistList Instance 15:59
               Distributed: Wednesday, February 27, 2002
                       Message Id: cdl-15-59-014
Received on Wednesday, 20 February, 2002

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