ASTM D2646 : 18

Standard Guide for Backing Fabric Characteristics of Pile Yarn Floor Coverings

Standard Details

1.1 This guide covers the procedures listed as follows for testing woven, knitted and nonwoven backing fabrics designed for use in the manufacture of pile yarn floor coverings. The procedures appear in the following order:

	Section

Bow and Skewness of Woven Fabrics	8
Breaking Force of Woven and Nonwoven Fabrics	15
Breaking Force After Tufting of Woven and Nonwoven Fabrics	16
Extractable Matter	9
Fabric Count of Woven Fabrics	12
Fabric Count of Knitted Fabrics	13
Length of Woven Fabrics	11
Mass per Unit Area (Weight) of Woven Fabrics	14
Width of Woven Fabrics	10

1.2 The values stated in inch-pound units are to be regarded as 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International StandardDetails, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.