1.1 This test method covers the procedure for evaluating shrinkage, in both wet and dry conditions, of woven, knitted, and nonwoven backing fabrics designed for use in the manufacture of pile yarn floor coverings. Determination of carpet backing shrinkage was previously contained within D2256. For consistency, Subcommittee D13.21 extracted this portion and created a separate test method. 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 that 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.
This test method describing shrinkage needed to be split out from D2646, which otherwise is written as a guide and describes no other test procedures.
Keywordscarpet; knitted fabric; nonwoven fabric; pile yarn floor covering; primary backing; secondary backing; shrinkage; woven fabric
The title and scope are in draft form and are under development within this ASTM Committee.Back to Top