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Test Method for the Evaluation of the Penetration Resistance of High-security Glazing Subjected to a Combined Attack of Heat and Mechanical Impact

NCJ Number
Sidney Fischler; Lawrence I. Knab
Date Published
May 1989
11 pages
This report describes a test method for evaluating the resistance to penetration of high-security windows that are subjected to a combined attack of heat and mechanical impact from firearms, fire axes, hammers, or burning combustibles.
These windows are used in bank teller windows, correctional institutions, and other situations. The discussion lists the equipment to be used, the preparation of specimens, the test setup, and the test procedure. The guidelines emphasize that two people are needed to carryout the test and that teamwork is essential. In addition, those carrying out the test must be familiar with all aspects of the test procedure and must follow suitable safety procedures. Diagrams, list of symbols and abbreviations, footnotes, and 6 references.