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ASTM D6775-02(2007)

(Test Method)

Standard Test Method for Breaking Strength and Elongation of Textile Webbing, Tape and Braided Material

Standard Test Method for Breaking Strength and Elongation of Textile Webbing, Tape and Braided Material

SIGNIFICANCE AND USE
This test method can be used for acceptance testing of commercial shipments but comparisons should be made with caution because estimates of between-laboratory precision are incomplete.
5.1.1 If there are differences of practical significance between reported test results for two laboratories (or more), comparative tests should be performed to determine if there is a statistical bias between them, using competent statistical assistance. As a minimum, use samples for such comparative tests that are as homogeneous as possible, drawn from the same lot of material as the samples that resulted in disparate results during initial testing, and randomly assigned in equal numbers to each laboratory. The test results from the laboratories involved should be compared using a statistical test for unpaired data, at a probability level chosen prior to the testing series. If 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.
Elongation is an indication of the ability of a fiber to absorb energy. The elongation of textile materials must be great enough to withstand strains experienced in processing and end use, and to absorb the energies of applied forces repeatedly.
SCOPE
1.1 This test method covers the determination of the breaking strength and elongation of textile webbing, tape and braided materials using a split-drum type specimen clamp.
1.2 This test method is limited to materials with a maximum width of 90 mm (3.5 in.) and a maximum breaking strength of no more than 89000N (20000 lb).
1.3 The values stated in either SI units or U.S. Customary units are to be regarded separately as standard. Within the text, the U.S. Customary units are given in parentheses. The values stated in each system are not exact equivalents; therefore, each system shall be used independently of the other.
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
31-Dec-2006
ICS
59.080.30 - Textile fabrics
Technical Committee
D13 - Textiles
Drafting Committee
D13.60 - Fabric Physical Test Methods B
Current Stage
Ref Project

Relations

Replaces
ASTM D6775-02e1 - Standard Test Method for Breaking Strength and Elongation of Textile Webbing, Tape and Braided Material
Effective Date
01-Jan-2007
Replaced By
ASTM D6775-02(2011) - Standard Test Method for Breaking Strength and Elongation of Textile Webbing, Tape and Braided Material
Effective Date
01-May-2011
Referred By
ASTM F2842-20 - Standard Specification for Reins Used in Thoroughbred and Quarter Horse Racing
Effective Date
01-Jan-2007
Referred By
ASTM D6770-21 - Standard Test Method for Abrasion Resistance of Textile Webbing (Hex Bar Method)
Effective Date
01-Jan-2007

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ASTM D6775-02(2007) - Standard Test Method for Breaking Strength and Elongation of Textile Webbing, Tape and Braided MaterialASTM D6775-02(2007) - Standard Test Method for Breaking Strength and Elongation of Textile Webbing, Tape and Braided Material
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ASTM D6775-02(2007) - Standard Test Method for Breaking Strength and Elongation of Textile Webbing, Tape and Braided Material
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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:D6775–02 (Reapproved 2007)
Standard Test Method for
Breaking Strength and Elongation of Textile Webbing, Tape
1
and Braided Material
This standard is issued under the fixed designation D6775; 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 4. Summary of Test Method
4.1 A specimen is clamped in a tensile testing machine and
1.1 This test method covers the determination of the break-
ing strength and elongation of textile webbing, tape and extended to rupture. The breaking force is determined from a
braided materials using a split-drum type specimen clamp. force-elongation curve or with an interfaced computer. Elon-
1.2 Thistestmethodislimitedtomaterialswithamaximum gation is determined by calculating the difference between
width of 90 mm (3.5 in.) and a maximum breaking strength of bench marks before the application of a force and at a specified
no more than 89000N (20000 lb). force.
1.3 The values stated in either SI units or U.S. Customary
5. Significance and Use
units are to be regarded separately as standard. Within the text,
the U.S. Customary units are given in parentheses. The values 5.1 This test method can be used for acceptance testing of
commercial shipments but comparisons should be made with
stated in each system are not exact equivalents; therefore, each
system shall be used independently of the other. caution because estimates of between-laboratory precision are
incomplete.
1.4 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the 5.1.1 If there are differences of practical significance be-
tween reported test results for two laboratories (or more),
responsibility of the user of this standard to establish appro-
priate safety and health practices and determine the applica- comparative tests should be performed to determine if there is
a statistical bias between them, using competent statistical
bility of regulatory limitations prior to use.
assistance. As a minimum, use samples for such comparative
2. Referenced Documents
teststhatareashomogeneousaspossible,drawnfromthesame
2
2.1 ASTM Standards: lot of material as the samples that resulted in disparate results
D76 Specification for Tensile Testing Machines for Textiles during initial testing, and randomly assigned in equal numbers
D123 Terminology Relating to Textiles to each laboratory. The test results from the laboratories
D1776 Practice for Conditioning and Testing Textiles involved should be compared using a statistical test for
D4848 Terminology Related to Force, Deformation and unpaired data, at a probability level chosen prior to the testing
Related Properties of Textiles series. If bias is found, either its cause must be found and
D4850 Terminology Relating to Fabrics and Fabric Test corrected, or future test results for that material must be
Methods adjusted in consideration of the known bias.
5.2 Elongation is an indication of the ability of a fiber to
3. Terminology
absorbenergy.Theelongationoftextilematerialsmustbegreat
3.1 For definitions of terms related to force and deformation enough to withstand strains experienced in processing and end
used in this test method, refer to Terminology D4848. For
use, and to absorb the energies of applied forces repeatedly.
definitions of other terms related to textiles used in this
3
6. Apparatus
standard, refer to Terminology D123, and D4850.
6.1 Tensile Testing Machine, CRE-type, conforming to
Specification D76 with respect to force indication, working
range, capacity and verification of recorded elongation, and
1
This test method is under the jurisdiction ofASTM Committee D13 onTextiles
designed for operation at a pulling speed of 75 6 25 mm/min
and is the direct responsibility of Subcommittee D13.60 on Fabric Test Methods,
Specific.
(3 6 1 in./min).
Current edition approved Jan. 1, 2007. Published January 2007. Originally
6.2 Clamping Assembly, consisting of an upper and lower
´1
approved in 2002. Last previous edition approved in 2002 as D6775 – 02 . DOI:
clamp, each a split-drum type, as shown in Fig. 1 and Fig. 2.
10.1520/D6775-02R07.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Standards volume information, refer to the standard’s Document Summary page on
3
the ASTM website. Apparatus and clamps are commercially available.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
D6775–02 (
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5.1 Acceptance Testing—This method of testing fabrics for resistance to pilling is not recommended for acceptance testing. If it is used for acceptance testing, it should be used with caution because the between-laboratory precision is poor. In some cases the purchaser and the supplier may have to test a commercial shipment of one or more specific materials by the best available test method, even though the test method is not recommended for acceptance testing.  
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1.1 This test method covers the determination of the propensity of a fabric to form pills and other related surface changes on textiles using the random tumble pilling tester. The procedure is generally applicable to all types of woven and knitted apparel fabrics.  
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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.  
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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.  
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SIGNIFICANCE AND USE
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.  
5.1.1 In case of a dispute arising from differences in reported test results when using this test method for acceptance testing of commercial shipments, the purchaser and the supplier should conduct comparative tests to determine if there is a 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 specimens that are as homogeneous as possible and that 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 results from the two laboratories should be compared using Students t-test for unpaired data and an acceptable 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 in light of the known bias.  
5.2 The resistance to abrasion also is affected greatly by the conditions of the tests, such as the nature of abradant; variable action of the abradant over the area of specimen abraded, the tension on the specimen, the pressure between the specimen and abradant, and the dimensional changes in the specimen.  
5.3 Abrasion tests are all subject to variation due to changes in the abradant during specific tests. The abradant must be changed accordingly at freque...
SCOPE
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.  
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.
Note 1: For other current test methods of testing the abrasion resistance of textiles refer to Test Methods D3884, D3885, D3886, D4157, D4158, and AATCC TM93.  
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.

  • Standard
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  • Standard
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    English language
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