1.1 This test method covers the determination of the bulking factor of spinning grade fiber. These include grade 4A and longer.

1.2 Results obtained on other grades may be considered as an evaluation of their bulk fiber resilience.

1.3 The SI system of units is standard. The inch-pound units shown in parentheses are for information only.

1.4 This standard does not purport to address all of 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. For a specific hazard statement, see Section 7.