1.1 This test method covers the determination of the thickness of metallic foils 0.002 in. (0.05 mm) and less in thickness by weighing a specimen of known area and density. The method is applicable to other foils and films as indicated in Annex A3.

1.2 This standard may involve hazardous materials, operations, and equipment. This standard does not purport to address all of the safety problems associated with its use. It is the responsibility of whoever uses this standard to consult and establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.