ASTM F648 PDF

More E The test environment is intended to simulate conditions that have been observed and defined in full scale corridor experiments. Tests on the individual elements of a floor system are of limited value and not valid for evaluation of the flooring system. If different test conditions are substituted or the end-use conditions are changed, it is not always possible by or from this test method to predict changes in the fire-test-response characteristics measured. Therefore, the results are valid only for the fire test exposure conditions described in this procedure.

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More D Data obtained by this test method shall not be used to predict the behavior of plastic materials at elevated temperatures except in applications in which the factors of time, temperature, method of loading, and fiber stress are similar to those specified in this test method. The data are not intended for use in design or predicting endurance at elevated temperatures. Therefore, it is advisable to refer to that material specification before using this test method.

Scope 1. The laminae must be of uniform stress distribution. One type of composite specimen has been prepared by cementing the ends of the laminae together and then smoothing the edges with sandpaper. The direction of loading shall be perpendicular to the edges of the individual laminae. The values given in parentheses are for information only.

Warning—Mercury has been designated by many regulatory agencies as a hazardous material that can cause serious medical issues. Mercury, or its vapor, has been demonstrated to be hazardous to health and corrosive to materials. Caution should be taken when handling mercury and mercury containing products. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

These notes and footnotes excluding those in tables and figures shall not be considered as requirements of the standard.

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ASTM F648 PDF

Mekasa Special requirements detailed in this specification are added to describe material which will be used in surgical implants. Aastm Number Code It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. This specification covers ultra-high molecular weight polyethylene F68 powder blended with alphatocopherol vitamin E intended for use in surgical implants. This abstract is a brief summary of the referenced standard.

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More D Data obtained by this test method shall not be used to predict the behavior of plastic materials at elevated temperatures except in applications in which the factors of time, temperature, method of loading, and fiber stress are similar to those specified in this test method. The data are not intended for use in design or predicting endurance at elevated temperatures. Therefore, it is advisable to refer to that material specification before using this test method. Scope 1. The laminae must be of uniform stress distribution.

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