ASTM D2646-18 - Standard Guide for Backing Fabric Characteristics of Pile Yarn Floor Coverings
Standard Guide for Backing Fabric Characteristics of Pile Yarn Floor Coverings
| Standard number: | D2646-18 |
| Released: | 01.01.2018 |
| Status: | Active |
| Pages: | 3 |
| Section: | 07.01 |
| Keywords: | carpet; extractable matter; knitted fabric; nonwoven fabric; pile yarn floor covering; primary backing; secondary backing; woven fabric; |
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:
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| Section |
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| |
| 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 Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.