ASTM D6571-22

Standard Test Method for Determination of Compression Resistance and Recovery Properties of Highloft Nonwoven Fabric Using Static Force Loading

SIGNIFICANCE AND USE
5.1 The ability of a highloft nonwoven fabric to resist compression and recovery and elastic loss after compression are two basic physical properties that are measured to set specifications for certain end-use applications. This test method provides an inexpensive alternative for highloft producers, their suppliers and customers to determine compression resistance, and recovery properties thus better predicting their performance in the finished product.  
5.2 Compression resistance and recovery performance requirements of highloft nonwovens will vary according to the end-use application. Furniture, bedding apparel, and industrial applications do not require the same property values to satisfy their individual consumers. They will require resistance to compression and the ability to recover to some degree.  
5.3 Option 1 of this test method is used in the trade for the acceptance testing of commercial shipments. Compression recovery graphs from Option 2 can be helpful in comparing performance of different highloft nonwoven fabrics.  
5.3.1 In case of a dispute arising from differences in reported test results when using this test method, the purchaser and the supplier should conduct comparative tests to determine if there is a significant statistical bias between their laboratories. Competent statistical assistance is recommended for the investigation of bias. As a minimum, the two parties should take a group of test samples that are as homogeneous as possible and that are from a lot of material of the type in question. The test samples should be randomly assigned in equal numbers to each laboratory for testing. The average results from the two laboratories should be compared using an appropriate statistical test for unpaired samples and an acceptance probability level chosen by the two parties before the testing is begun. If a bias is found, either its cause must be found and corrected or the purchaser and the supplier must agree to interpret future test results ...
SCOPE
1.1 This test method covers the measurement of compression resistance and recovery properties of any type of highloft nonwoven fabric using a simplistic and economical applied static weight loading technique.  
1.2 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.  
1.3 The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for information only and are not considered standard.  
1.4 This test method offers two options for the measurement of compression resistance and recovery properties. Option 1 contains fewer steps and is, therefore, simpler. Option 2 makes more measurements and provides more details about the behavior of a fabric under these test conditions.  
1.5 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.

General Information

• Status: Published
• Publication Date: 28-Feb-2022
• ICS: 59.080.30 - Textile fabrics
• Technical Committee: D13 - Textiles
• Drafting Committee: D13.90 - Executive

Standards Content (Sample)

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.
Designation: D6571 − 22
Standard Test Method for
Determination of Compression Resistance and Recovery
Properties of Highloft Nonwoven Fabric Using Static Force
1
Loading
This standard is issued under the fixed designation D6571; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope Method that Produces Normally Distributed Data (With-
3
drawn 2008)
1.1 This test method covers the measurement of compres-
sion resistance and recovery properties of any type of highloft
3. Terminology
nonwoven fabric using a simplistic and economical applied
3.1 Definitions:
static weight loading technique.
3.1.1 applied static force, n—in testing, the application of a
1.2 This standard does not purport to address all of the
fixed force by action of gravity on a fixed mass.
safety concerns, if any, associated with its use. It is the
3.1.2 batting, n—a textile filling material consisting of a
responsibility of the user of this standard to establish appro-
continuous web of fibers formed by carding, garnetting, air
priate safety, health, and environmental practices and deter-
laying, or other means.
mine the applicability of regulatory limitations prior to use.
3.1.3 compression force, n—the perpendicular force applied
1.3 The values stated in SI units are to be regarded as
to surface(s) of a material in compaction.
standard. The values given in parentheses after SI units are
provided for information only and are not considered standard.
3.1.4 compression recovery, n—the property of a material to
regain its original dimensions after release from compaction.
1.4 This test method offers two options for the measurement
of compression resistance and recovery properties. Option 1 3.1.5 compression resistance, n—the property of a material
contains fewer steps and is, therefore, simpler. Option 2 makes
to oppose its change in dimension under compaction.
more measurements and provides more details about the
3.1.6 dead-weight loading, n—in testing, a method of load-
behavior of a fabric under these test conditions.
ing in which a mass is supported solely by the specimen and
1.5 This international standard was developed in accor- has no other mechanical connection to the test machine. Static
dance with internationally recognized principles on standard- loading may be considered a synonym of dead-weight loading.
ization established in the Decision on Principles for the
3.1.7 elastic loss, n—the permanent loss of specimen’s
Development of International Standards, Guides and Recom-
original dimension after the compression or tension force is
mendations issued by the World Trade Organization Technical
applied and then subsequently removed.
Barriers to Trade (TBT) Committee.
3.1.8 highloft nonwoven fabric, n—a low-density fiber net-
work structure characterized by a high ratio of thickness to
2. Referenced Documents
mass per unit area.
2
2.1 ASTM Standards:
3.2 For definitions of other textile terms, refer to Terminol-
D123 Terminology Relating to Textiles
ogy D123.
D2904 Practice for Interlaboratory Testing of a Textile Test
4. Summary of Test Method
4.1 Aspecimen (one piece of or a stack of pieces) is placed
1 between two plates and the height of the stack measured. A
This test method is under the jurisdiction ofASTM Committee D13 on Textiles
and is the direct responsibility of Subcommittee D13.90 on Executive.
weight of specified mass is placed on the top plate for a
Current edition approved March 1, 2022. Published April 2022. Originally
specified period of time. The height of the specimen with the
ɛ1
approved in 2005. Last previous edition approved in 2001 as D6571- 01 which
mass in place is measured at specified time intervals. The mass
was withdrawn October 2008 and reinstated in March 2022. DOI: 10.1520/D6571-
is removed and the height of the stack is measured at specified
22.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM
3
Standards volume information, refer to the standard’s Document Summary page on The last approved version of this historical standard is referenced on
the ASTM website. www.astm.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
D6571 − 22
time intervals. Compression resistance and recovery properties 6.4 Weight,piecesofmetal,liquid-fi
...