ASTM-E252 › Standard Test Method for Thickness of Foil, Thin Sheet, and Film by Mass Measurement
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This test method covers the standard procedures for the determination of the thickness of metallic foils, thin sheets, and films by measuring the mass of the specimen of known area and density. The apparatuses needed for this method are a precision blanking press for cutting specimens into circles of a specified area or diameter, and a balance for measuring its mass. The thickness shall then be calculated by using an equation that relates it with the specimen's mass, area, and density.
1.1 This test method covers the determination of the thickness of metallic foil and sheet 0.015 in. (0.38 mm) and less in thickness by measuring the mass of a specimen of known area and density. The test method is applicable to other sheet, foil, and film as indicated in Annex A3.
1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are mathematical conversions to SI units, which are provided for information only and are not considered standard.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. 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.
ICS Number Code 17.040.20 (Properties of surfaces)
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2006 R13 EDITION
Oct. 15, 2013