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Article
February 1967

The Effect of Ultraviolet Light on a Transparent Plastic

Author Affiliations

San Francisco

Accepted for publication Nov 9, 1966. From the Dermatology Research Section, Research and Development Service, Letterman General Hospital, San Francisco. Dr. Sams' present address is the Section of Dermatology, Mayo Clinic, Rochester, Minn.

Arch Dermatol. 1967;95(2):225-227. doi:10.1001/archderm.1967.01600320081017
Abstract

A tough transparent plastic (Mylar) has the properties of (1) steep transmission curve, (2) total cutoff in the 3,000 to 3,200 Angstrom range, (3) availability in large sheets, and (4) low cost. However, its percent transmission is decreased by ultraviolet light exposure. For this reason, it must be changed occasionally during prolonged use as an ultraviolet filter if the amount of transmission at any particular wavelength is of critical importance.

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