ASTM D7506/D7506M-17

Standard Test Method for Pocket Reinforcement

SCOPE
1.1 This test method utilizes the grab procedures to determine localized weakness due to bar-tacking in the pocket areas of all types of garments. This can be utilized to test bar-tacking in the pockets of shirts, as well as side or back pockets of trousers, pants, or jeans.  
1.2 This test method provides the values in both inch-pound and SI units. Inch-pound units is the technically correct name for the customary units used in the United States. SI units is the technially correct name for the system of metric units know as the International System of Units. The values stated in either acceptable metric units or in other units shall be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system must be used independently of the other, without combining in any way.  
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 and health 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.

General Information

• Status: Historical
• Publication Date: 14-Jul-2017
• ICS: 61.020 - Clothes
• Technical Committee: D13 - Textiles
• Drafting Committee: D13.54 - Subassemblies

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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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: D7506/D7506M − 17
Standard Test Method for
1
Pocket Reinforcement
This standard is issued under the fixed designation D7506/D7506M; 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 3. Terminology
1.1 This test method utilizes the grab procedures to deter- 3.1 Definitions
mine localized weakness due to bar-tacking in the pocket areas
3.1.1 constant-rate-of-extension tensile testing machine
of all types of garments.This can be utilized to test bar-tacking
(CRE), n—a testing machine in which the rate of increase of
in the pockets of shirts, as well as side or back pockets of
specimen length is uniform with time.
trousers, pants, or jeans.
3.1.2 grab test, n—in fabric testing, a tensile test in which
1.2 This test method provides the values in both inch-pound
the central part of the width of the specimen is gripped in the
and SI units. Inch-pound units is the technically correct name
clamps.
forthecustomaryunitsusedintheUnitedStates.SIunitsisthe
3.1.3 tensile test, n—in textiles, a test in which a textile
technially correct name for the system of metric units know as
material is stretched in one direction to determine the load
the International System of Units. The values stated in either
acceptable metric units or in other units shall be regarded elongation characteristics, in the breaking load, or the breaking
elongation.
separately as standard. The values stated in each system may
not be exact equivalents; therefore, each system must be used
3.1.4 For definitions of other terms used in this test method,
independently of the other, without combining in any way.
refer to Terminology D123.
1.3 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
4. Summary of Test Method
responsibility of the user of this standard to establish appro-
4.1 A specimen of the pocket area with the bar-tacking is
priate safety and health practices and determine the applica-
mounted centrally in clamps of the tensile strength machine
bility of regulatory limitations prior to use.
and a force is applied until the specimen breaks.
1.4 This international standard was developed in accor-
dance with internationally recognized principles on standard-
ization established in the Decision on Principles for the 5. Apparatus
Development of International Standards, Guides and Recom-
5.1 Constant-rate-of-extension (CRE) tensile testing
mendations issued by the World Trade Organization Technical
machine, as used in Test Method D5034, conforming to
Barriers to Trade (TBT) Committee.
Specification D76.
2. Referenced Documents
5.2 Clamps and jaws, rubber faced or other gripping
2
surface—jaw faces must measure 25 6 1 mm (1.0 6 0.02 in.)
2.1 ASTM Standards:
wide at least 25 mm (1.0 in.), perpendicular to the direction of
D76 Specification for Tensile Testing Machines for Textiles
the force, and not less than 25 nor more than 50 mm (1.0 nor
D123 Terminology Relating to Textiles
morethan2.0in.).Theback,orbottom,jawfaceofeachclamp
D1776 Practice for Conditioning and Testing Textiles
shall be at least as large as its mate. Use of a larger face for the
D5034 TestMethodforBreakingStrengthandElongationof
Textile Fabrics (Grab Test) second jaw reduces the problem of front and back jaw face
misalignment.
1
This test method is under the jurisdiction ofASTM Committee D13 on Textiles
6. Safety Precautions
and is the direct responsibility of Subcommittee D13.54 on Subassemblies.
Current edition approved July 15, 2017. Published August 2017. Originally
6.1 It is the users responsibility to use safe and proper
approved in 2009. Last previous edition approved in 2012 as D7506/D7506M-12.
techniques when handling or using any of the equipment
DOI: 10.1520/D7506_D7506M-17.
2 mentioned.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM
6.2 Good laboratory practice should be followed. Wear
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. safety glasses in all laboratory test rooms.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
D7506/D7506M − 17
7. Sampling, Test Specimens, and Test Units
7.1 Cut the garment or the side pockets as shown in Figs.
1-4. If multiple samples are available, cut, if possible, a
minimum of 3 specimens. If not, test an agreed upon number
of samples.
8. Preparation of Apparatus
8.1 Tensile Testin
...

This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: D7506/D7506M − 12 D7506/D7506M − 17
Standard Test Method for
1
Pocket Reinforcement
This standard is issued under the fixed designation D7506/D7506M; 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
1.1 This test method utilizes the grab procedures to determine localized weakness due to bar-tacking in the pocket areas of all
types of garments. This can be utilized to test bar-tacking in the pockets of shirts, as well as side or back pockets of trousers, pants,
or jeans.
1.2 This test method provides the values in both inch-pound and SI units. Inch-pound units is the technically correct name for
the customary units used in the United States. SI units is the technially correct name for the system of metric units know as the
International System of Units. The values stated in either SI acceptable metric units or inch-pound units are to in other units shall
be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shallmust
be used independently of the other. Combining values from the two systems may result in non-conformance with the
standard.other, without combining in any way.
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 and health 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.
2. Referenced Documents
2
2.1 ASTM Standards:
D76 Specification for Tensile Testing Machines for Textiles
D123 Terminology Relating to Textiles
D1776 Practice for Conditioning and Testing Textiles
D5034 Test Method for Breaking Strength and Elongation of Textile Fabrics (Grab Test)
3. Terminology
3.1 Definitions
3.1.1 constant-rate-of-extension tensile testing machine (CRE), n—a testing machine in which the rate of increase of specimen
length is uniform with time.
3.1.2 grab test, n—in fabric testing, a tensile test in which the central part of the width of the specimen is gripped in the clamps.
3.1.3 tensile test, n—in textiles, a test in which a textile material is stretched in one direction to determine the load elongation
characteristics, in the breaking load, or the breaking elongation.
3.1.4 For definitions of other terms used in this test method, refer to Terminology D123.
4. Summary of Test Method
4.1 A specimen of the pocket area with the bar-tacking is mounted centrally in clamps of the tensile strength machine and a force
is applied until the specimen breaks.
1
This test method is under the jurisdiction of ASTM Committee D13 on Textiles and is the direct responsibility of Subcommittee D13.54 on Subassemblies.
Current edition approved April 1, 2012July 15, 2017. Published May 2012August 2017. Originally approved in 2009. Last previous edition approved in 20092012 as
D7506/D7506M-09.-12. DOI: 10.1520/D7506_D7506M-12.10.1520/D7506_D7506M-17.
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 Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
D7506/D7506M − 17
5. Apparatus
5.1 Constant-rate-of-extension (CRE) tensile testing machine, as used in Test Method D5034, conforming to Specification D76.
5.2 Clamps and jaws, rubber faced or other gripping surface—jaw faces must measure 1.0 6 0.02 in. (25 6 1 mm)25 6 1 mm
(1.0 6 0.02 in.) wide at least 1 in. (25 mm),25 mm (1.0 in.), perpendicular to the direction of the force, and not less than 25 nor
more than 50 mm (1.0 nor more than 2.0 in.). The back, or bottom, jaw face of each clamp shall be at least as large as its mate.
Use of a larger face for the second jaw reduces the problem of front and back jaw face mi
...