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Development of Plastic Lamp Housings
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Language:
English
Abstract
New housing materials have been developed for exterior automotive lamps, to replace the traditionally used die cast zinc and stamped steel or aluminum. Polyester premix was introduced into production by General Motors for rear lamp housings in the 1967 model year, and fiber glass reinforced polypropylene in the 1969 model year. The developmental programs which led to the approval of these new housing materials are briefly outlined. The functional requirements of this application and the comparative performances in functional tests of the metal and plastic materials are reviewed. The material physical property requirements for this application and the comparative properties of steel, aluminum, die cast zinc, polyester premix, fiber glass reinforced polypropylene, and talc-filled polypropylene are also discussed.
Authors
Citation
Johnson, F., "Development of Plastic Lamp Housings," SAE Technical Paper 700018, 1970, https://doi.org/10.4271/700018.Also In
References
- “Lighting Equipment and Photometric Tests.” Handbook Supplement 34 New York Society of Automotive Engineers, Inc. 1968 775 776
- “1966 Book of ASTM Standards-Plastics-General Methods of Testing, Nomenclature.” Philadelphia, Pa. American Society for Testing and Materials 1966
- “Test for Determining Impact Strength of Plastics.” GM 9032-P Engineering Materials and Processes Standards General Motors Engineering Standards July 1965 W-237 101
- “Properties and Selection-Metals Handbook.” Lyman, Taylor 1 Metals Park, Ohio American Society for Metals 79 87
- “Aluminum Standards and Data.” New York The Aluminum Association
- “Why Zinc.” New York American Zinc Institute 1967 4 7