Polyester film

Archival Polyester Envelopes

Description

An extruded sheet of Polyester resin. Polyester films are typically stiff but flexible and highly transparent. They are dimensionally and chemically stable. Polyester film, such as Mylar®, is used for photographic film, storage sleeves, drafting and linings.

Synonyms and Related Terms

película de poliéster (Esp.); film polyester (Fr.); feuille polyester (Fr.); pellicule polyester (Fr.); film di poliestere (It.); película de poliéster (Port.); drafting film

Examples: Geofilm [Hughes-Owens]; Transpagra; Mylar® [DuPont Teijin]; Melinex® [DuPont Teijin]; Cronar® [DuPont Teijin]; Hostaphan 43SM [Mitsubishi];

Physical and Chemical Properties

• Resistant to weak acids, weak alkalis, bleach and most organic solvents.
• Degrades in strong alkalis, strong acids, cresol.

Resources and Citations

• Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993

• Book and Paper Group, Paper Conservation Catalog, AIC, 1984, 1989