Weathering Of Glass-Fabric-Base Plastic Laminates

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Report Number: WADC TR 55-319
Author(s): Werren, Fred, Heebink, B. G.
Corporate Author(s): Forest Products Laboratory, Forest Service, U. S. Department Of Agriculture
Laboratory: Materials Laboratory
Date of Publication: 1956-05
Pages: 55
Contract: AF 33(616)-53-20
DoD Project: 7340
DoD Task: 73400
Identifier: AD0101284

Glass-fabric-base plastic laminates were subjected to various environmental conditions for periods up to 3 years. After completion of the exposure period, tensile compressive, and flexural strength properties and certain electrical properties were determined. Laminates exposed in a normal atmosphere generally had about the same properties after 3 years exposure. Outdoor exposure of laminates, particularly to salt air usually resulted in substantial erosion of the surface resin. The effect of outdoor weathering on the strength and electrical properties varied greatly with the type of laminate. Most of the materials averaged losses in strength of 15% or less for tension, compression, or flexure.

Provenance: IIT

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