1.1 This test method covers procedures for sampling and measuring the unstretched staple length, and variability in length, of grease or pulled wool staples. The test method is also applicable to mohair and other animal fibers in staple form. The procedure is not recommended for individual fibers or groups of straightened fibers.

Note 1--The determination of fiber length in wool top is covered in Test Method D519, the determination of fiber length of wool is covered in Test Method D1575.

1.2 The values stated in inch-pound units are to be regarded as the standard. The values stated in SI units are provided for information purposes only.

1.3 This standard does not purport to address the safety problems 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.