Polyester Converters Ltd, Polyester Films
Polyester Converters Ltd, Polyester Films
Polyester Converters Ltd, Polyester Films Polyester Converters Ltd, Polyester Films Polyester Converters Ltd, Polyester Films
Polyester Converters Ltd, Polyester Films
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Polyester Converters Ltd, Polyester Films
PSG website
PSG are proud to anouce that is has been accredit to BRC / IoP Global Standard – food packaging and other packaging materials
PSG Group have been accredited BS EN ISO 9001:2000
Cleanroom Certification BS EN ISO 14644 : 1999 Class 8
We stock Melinex, Mylar Film
We stock Hostaphan Film
We stock  Terphane, Lumirror, Claryl Film

Applications and End Uses




Archival Grade Polyester Film is a safe, untreated film and therefore ideal for encapsulation or for use as a barrier against acid and moisture migration in framing. It has a neutral pH, contains no harmful plasticizers, and is transparent fo easy viewing. Available in handy pre-cut sheets or economical rolls.

When all the leaves in a book are extremely weak and/or brittle and require overall support, encapsulation in polyester film and post-binding may be appropriate. Polyester film is a clear, inert plastic that provides excellent support for fragile paper. Each leaf of the book is placed between two sheets of polyester film, and the film is sealed along all four edges. Ultrasonic welding is the preferred method of sealing the film. If the leaves of a book are still in folio form, the folios will usually need to be cut along the fold to facilitate encapsulation. However, paper requiring encapsulation is usually so fragile that any folds that once existed have already broken. Polyester film has an electrostatic charge. For this reason encapsulation is not recommended for leaves that have loose, flaking, or friable media because the electrostatic charge may loosen media even more. The encapsulated leaves can be bound together in what is referred to as a post-binding. Boards (covers) are attached to the encapsulated leaves by means of screw posts, which pass through the covers and polyester film to produce an album-style binding. Although the boards can be covered in almost any material, they are usually covered in cloth.
Our transparent Archival Grade Dupont Polyester Film also builds a barrier against acid & moisture migration.




Films we offer which are approved for Archival Encapsulation:

Melinex® 401

Melinex® 516 - please contact us for spec

Conservation Sleeves / Sheets / Rolls

PSG Group Ltd. - Disclaimer
All technical information and related data supplied by or on behalf of PSG
Group Ltd. (and subsidiary companies) is believed to be accurate and
complete. However, it will remain the responsibility of the purchaser / user
to determine the suitability of each product for a particular application
and shall assume all risk and liability in connection therewith.
No warranty is implied with regard to information or recommendations given
by our distributors and or subcontractors.
The descriptions of products and services displayed on this web site and the
terms under which they are given may be modified at any time without notice.
In any event or occurrence, our liability is strictly limited to the value
of the original invoice.
Any links on this site are for the convenience of the visitor only and we
are not responsible for their content.

Mylar® registered trademark of DuPont Teijin Films. Only DuPont Teijin Films makes Mylar® brand polyester film

Melinex® registered trademark of DuPont Teijin Films. Only DuPont Teijin Films makes Melinex® brand polyester film

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