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ASTM D2594-04

(Test Method)

Standard Test Method for Stretch Properties of Knitted Fabrics Having Low Power

Standard Test Method for Stretch Properties of Knitted Fabrics Having Low Power

SIGNIFICANCE AND USE
This test method specifies test conditions for measuring the fabric growth and fabric stretch of knitted fabrics intended for use in swimwear, anchored slacks, and other form-fitting apparel (also commonly known as semi-support apparel) applications, as well as test conditions for measuring the fabric growth of knitted fabrics intended for use in sportswear and other loose-fitting apparel (also commonly known as comfort stretch apparel) applications. The applicability of this test method to the measurement of fabric growth and fabric stretch of knitted fabrics intended for use in slacks, sport coats, and suits has not been determined.
This test method is not recommended for acceptance testing of commercial shipment because the between-laboratory precision is known to be poor.
5.2.1 If there are differences of practical significance between reported test results for two laboratories (or more), comparative tests should be performed to determine if their is a statistical bias between them, using competent statistical assistance. As a minimum, ensure the test samples to be used are as homogeneous as possible, are drawn from the material from which the disparate test results are obtained, and are assigned randomly in equal numbers to each laboratory for testing. The test results from the two laboratories should be compared using a statistical test for unpaired data, at a probability level chosen prior to the testing series. If a bias is found, either its cause must be found and corrected, or future test results for that material must be adjusted in consideration of the known bias.
SCOPE
1.1 This test method covers the measurement of fabric stretch and fabric growth of knitted fabrics intended for applications requiring low-power stretch properties.
1.2 This test method includes procedures for fabric growth and stretch and can be used individually when required by individual specifications.
1.3 This test method is not applicable to fabrics intended for support or other applications requiring high-power stretch properties.
Note 1-For information on testing high-power stretch fabrics, refer to Test Method D 1775.
1.4 The values stated in either SI or inch-pound units are to be regarded separately as the standard. Within the text, the inch-pound units are shown in parentheses. The values stated in each system are not exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.
1.5 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.

General Information

Status
Historical
Publication Date
30-Nov-2004
ICS
59.080.30 - Textile fabrics
Technical Committee
D13 - Textiles
Drafting Committee
D13.59 - Fabric Physical Test Methods A
Current Stage
Ref Project

Relations

Replaces
ASTM D2594-99a - Standard Test Method for Stretch Properties of Knitted Fabrics Having Low Power
Effective Date
01-Dec-2004
Replaced By
ASTM D2594-04(2008)e1 - Standard Test Method for Stretch Properties of Knitted Fabrics Having Low Power
Effective Date
01-Jul-2008
Referred By
ASTM D3782-22 - Standard Performance Specification for Men's and Boys' Knitted Dress Suit Fabrics and Knitted Sportswear Jacket, Slack, and Trouser Fabrics
Effective Date
01-Dec-2004
Referred By
ASTM D4035-22 - Standard Performance Specification for Knitted Necktie and Scarf Fabrics
Effective Date
01-Dec-2004
Referred By
ASTM D4119-22 - Standard Performance Specification for Men's and Boys' Knitted Dress Shirt Fabrics
Effective Date
01-Dec-2004
Referred By
ASTM D4235-20 - Standard Performance Specification for Women's and Girls' Knitted Blouse and Dress Fabrics
Effective Date
01-Dec-2004
Referred By
ASTM D6614/D6614M-20 - Standard Test Method for Stretch Properties of Textile Fabrics – CRE Method
Effective Date
01-Dec-2004
Referred By
ASTM D4154-22 - Standard Performance Specification for Men's and Boys' Knitted and Woven Beachwear and Sports Shirt Fabrics
Effective Date
01-Dec-2004
Referred By
ASTM D7268-23 - Standard Performance Specification for Seamless Knit Garments Including Intimates and Swimwear
Effective Date
01-Dec-2004

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ASTM D2594-04 - Standard Test Method for Stretch Properties of Knitted Fabrics Having Low PowerASTM D2594-04 - Standard Test Method for Stretch Properties of Knitted Fabrics Having Low Power
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ASTM D2594-04 - Standard Test Method for Stretch Properties of Knitted Fabrics Having Low Power
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Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation:D2594–04
Standard Test Method for
1
Stretch Properties of Knitted Fabrics Having Low Power
This standard is issued under the fixed designation D 2594; 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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope D 3107 Test Methods for Stretch Properties of Fabrics
Woven from Stretch Yarns
1.1 This test method covers the measurement of fabric
D 4849 Terminology Relating to Yarns and Fibers
stretch and fabric growth of knitted fabrics intended for
D 4850 Terminology Relating to Fabric
applications requiring low-power stretch properties.
D 6614 Test Method for Stretch Properties of Textile
1.2 This test method includes procedures for fabric growth
Fabrics-CRE Method
and stretch and can be used individually when required by
individual specifications.
3. Terminology
1.3 This test method is not applicable to fabrics intended for
3.1 Definitions:
support or other applications requiring high-power stretch
3.1.1 For definition of textile terms used in this test method:
properties.
bench marks, refer to Terminology D 4849.
NOTE 1—For information on testing high-power and woven stretch
3.1.2 For definitions of textile terms used in this test
fabrics, refer to Test Methods D 3107 and D 6614.
method: fabric growth; fabric stretch; low-power stretch and
1.4 The values stated in either SI or inch-pound units are to
tension, refer to Terminology D 4850.
be regarded separately as the standard. Within the text, the
3.1.3 For definitions of other textile terms used in this test
inch-pound units are shown in parentheses. The values stated
method, refer to Terminology D 123.
in each system are not exact equivalents; therefore, each
4. Summary of Test Method
system shall be used independently of the other. Combining
values from the two systems may result in nonconformance
4.1 Fabric Growth—Bench marks of a known distance are
with the specification. made on a fabric specimen. A specified tension is applied to a
1.5 This standard does not purport to address all of the
fabric specimen by a prescribed cycling technique.The tension
safety concerns, if any, associated with its use. It is the
is removed and after several specific recovery times under zero
responsibility of the user of this standard to establish appro- tension, the distance between the bench marks is remeasured
priate safety and health practices and determine the applica-
after each time interval. The fabric growth is calculated from
bility of regulatory limitations prior to use. the length difference between the bench marks prior to appli-
cation of the tension and after each respective recovery time
2. Referenced Documents
interval.
2
2.1 ASTM Standards:
4.2 Fabric Stretch—Bench marks of a known distance are
D 123 Terminology Relating to Textiles
made on a fabric specimen. A specified tension is applied to a
D 1776 Practice for Conditioning and Testing Textiles
fabric specimen by a prescribed cycling technique and the
D 2904 Practice for InterlaboratoryTesting of aTextileTest
resulting distance between the bench marks measured. The
Method That Produces Normally Distributed Data
fabric stretch is calculated from the length difference between
D 2906 Practice for Statements on Precision and Bias for
the bench marks prior to application of the tension and under
Textiles
while under the tension.
5. Significance and Use
1
This test method is under the jurisdiction ofASTM Committee D13 onTextiles
5.1 This test method specifies test conditions for measuring
and is the direct responsibility of Subcommittee D13.59 on Fabric Test Methods,
the fabric growth and fabric stretch of knitted fabrics intended
General.
for use in swimwear, anchored slacks, and other form-fitting
Current edition approved Dec. 1, 2004. Published January 2005. Originally
apparel (also commonly known as semi-support apparel)
approved in 1969. Discontinued November 1997 and reinstated as D 2594 – 99.
Last previous edition approved in 1999 as D 2594 – 99a
applications, as well as test conditions for measuring the fabric
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
growth of knitted fabrics intended for use in sportswear and
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
other loose-fitting apparel (also commonly known as comfort
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. stretch apparel) applications. The applicability of this test
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

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5.1 Acceptance Testing—this test method is not considered satisfactory for acceptance testing of commercial shipments of fabric. The between-laboratory precision of this test method is poor and, because of the nature of abrasion testing itself, technicians frequently fail to obtain results in agreement on the same type of testing instrument, both within and between laboratories. Although this test method is not recommended for acceptance testing, it is useful because it is used widely, especially outside the United States.  
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1.1 This test method covers the determination of the abrasion resistance of textile fabrics using the Martindale abrasion tester. The method is generally applicable to knit, woven, and nonwoven fabrics; however, material thickness may limit suitability for testing due to specimen holder capacity.  
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.  
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Standard Test Method for Pilling Resistance and Other Related Surface Changes of Textile Fabrics: Martindale Tester

SIGNIFICANCE AND USE
5.1 Acceptance Testing—This method of testing fabrics resistance to pilling is not recommended for acceptance testing. If it is used for acceptance testing, it should be used with caution because interlaboratory data are not available. In some cases the purchaser or supplier may have to test a commercial shipment of one or more specific materials by the best available method even though the method has not been recommended for acceptance testing. Although this test method is not recommended for acceptance testing, it is useful because it is used widely outside the United States.  
5.2 If there is a disagreement arising from differences in values reported by the purchaser and the supplier when using this test method, the statistical bias, if any, between the laboratory of the purchaser and the laboratory of the supplier should be determined with comparison being based on testing specimens randomly drawn from one sample of material of the type being evaluated. Competent statistical assistance is recommended for the investigation of bias. A minimum of two parties should take a group of test specimens, which are as homogeneous as possible and which are from a lot of material of the type in question. The test specimens then should be assigned randomly in equal numbers to each laboratory for testing. The average test results from the two laboratories should be compared using an acceptable statistical protocol and probability level chosen by the two parties before the testing is started. Appropriate statistical disciplines for comparing data must be used when the purchaser and supplier cannot agree. If a bias is found, either its cause must be found and corrected, or the purchaser and the supplier must agree to interpret future results with consideration for the known bias.  
5.3 The pilling of textile fabrics is a very complex property because it is affected by many factors that include type of fiber or blends, fiber dimensions, yarn and fabric construction, and fabric f...
SCOPE
1.1 This test method covers the determination of the resistance to the formation of pills and other related surface changes on textile fabrics using the Martindale tester.
Note 1: For other methods, if testing the pilling resistance of textiles, refer to Test Methods D3511/D3511M, D3512/D3512M, and D3514.  
1.2 This test method is generally applicable to knit, woven, and nonwoven fabrics; however, material thickness may limit suitability for testing due to specimen holder capacity.  
1.3 The fabric may be laundered or dry cleaned before testing as agreed upon among interested parties.  
1.4 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.  
1.5 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.  
1.6 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.

  • Standard
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  • Standard
    5 pages
    English language
    sale 15% off