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Environmental hazards imposed on packages in the process of moving goods from producer to consumer may have damaging effects on improperly designed packages or contents. Current tests and procedures for evaluating packages and packaging materials in the laboratory attempt to simulate these environmental hazards, but the degree of correlation between these tests and the actual service hazards has not been established. The fact that the mechanical hazards involve dynamic forces has been a deterrent to their proper evaluation and to their proper simulation in the package-testing laboratory. Only in recent years has suitable instrumentation for studying the response of packages, package components, and contents to dynamic forces become available. An instrument capable of producing a faithful and complete record of the dynamic loads imposed on a given package during a specific delivery cycle has yet to be developed. Given adequate data on the nature and extent of dynamic forces imposed upon packages in service, the application of statistical methods will provide a sound basis for the establishment of realistic simulated service tests.
Jordan, C. A.
Engineer, U. S. Dept. of AgricultureUniversity of Wisconsin, Madison, Wis.