1.1 This test method covers the measurement of the thickness of most nonwoven fabrics.

1.2 This test method applies to most nonwoven fabrics that are treated or untreated, including those heavily sized, coated or resin-treated.

1.3 This test method may not be useful for highloft nonwoven fabrics. For thickness of highloft nonwoven fabric see Test Method D5736.

1.4 The values stated in SI units are to be regarded as the standard. The U.S. customary units (inch-pound) may be approximate.

1.5 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.