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ASTM D5822-13(2019)

(Test Method)

Standard Test Method for Determining Seam Strength in Inflatable Restraint Cushions

Standard Test Method for Determining Seam Strength in Inflatable Restraint Cushions

SIGNIFICANCE AND USE
5.1 Seam strength testing is used for design validation and for lot acceptance.  
5.2 This test method constitutes the conditions, procedures, and equipment by which either seams taken from inflatable restraint cushions, or seam types that can potentially be used for inflatable restraint cushions are tested for seam strength, seam efficiency, and failure mode. It is intended to be used as a guideline in establishing a written part specification or print. The specification or agreement of purchaser and supplier may deviate from the procedures described herein when (based on experience) considerations of equipment, cushion design, or other factors dictate otherwise.  
5.3 In cases of 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 perform 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 from the same lot of fabric to be evaluated, which utilize a like seam assembly (or standard seam assembly) to achieve seam interaction. The test specimens should then be randomly assigned in equal numbers to each laboratory for testing. If a bias is found, either its cause must be determined and corrected, or the purchaser and supplier must agree to interpret future test results in light of the known bias.  
5.4 Test Method D5822 is a reliable test method but procedures which may require special attention are identified in the precision and bias section of this test method.
SCOPE
1.1 This test method covers the measurement of seam efficiency and the maximum seam strength in inflatable restraint cushions composed of woven fabrics when a force is applied perpendicular to the seam, using a grab test. For evaluating sewing thread, refer to Test Method D204.  
1.2 This test method is restricted to seams that are either obtained from an inflatable restraint cushion or prepared off-line, specifically for testing, using fabric blanks, not obtained from a previously sewn cushion assembly. Seams may include but are not limited to sewn, OPW, glued, sealed and sewn, or fused (chemically or thermally). This test method can be used for either lot testing of production cushions, or for research and development purposes.  
1.3 This test method is used when the measurement of a resistance to a specified force, a breaking force, a minimum elongation, or a combination thereof are required to determine the seam strength, or seam integrity of a particular fabric for inflatable restraint use.  
1.4 Procedures and apparatus other than those stated in this standard may be used by agreement between purchaser and supplier with the specific deviations from the standard acknowledged in the report.  
1.5 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other.  
1.6 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.  
1.7 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
31-Dec-2018
ICS
59.080.01 - Textiles in general
Technical Committee
D13 - Textiles
Drafting Committee
D13.20 - Inflatable Restraints
Current Stage
Ref Project

Relations

Refers
ASTM D123-15 - Standard Terminology Relating to Textiles
Effective Date
01-Apr-2015
Refers
ASTM D123-15a - Standard Terminology Relating to Textiles
Effective Date
01-Sep-2015
Refers
ASTM D123-15b - Standard Terminology Relating to Textiles
Effective Date
15-Sep-2015
Refers
ASTM D123-17 - Standard Terminology Relating to Textiles
Effective Date
01-Mar-2017
Referred By
ASTM D6479-15(2020) - Standard Test Method for Determining the Edgecomb Resistance of Woven Fabrics Used in Inflatable Restraints
Effective Date
01-Jan-2019

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ASTM D5822-13(2019) - Standard Test Method for Determining Seam Strength in Inflatable Restraint CushionsASTM D5822-13(2019) - Standard Test Method for Determining Seam Strength in Inflatable Restraint Cushions
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ASTM D5822-13(2019) - Standard Test Method for Determining Seam Strength in Inflatable Restraint Cushions
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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: D5822 −13 (Reapproved 2019)
Standard Test Method for
Determining Seam Strength in Inflatable Restraint
1
Cushions
This standard is issued under the fixed designation D5822; 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 Development of International Standards, Guides and Recom-
mendations issued by the World Trade Organization Technical
1.1 This test method covers the measurement of seam
Barriers to Trade (TBT) Committee.
efficiency and the maximum seam strength in inflatable re-
straint cushions composed of woven fabrics when a force is
2. Referenced Documents
applied perpendicular to the seam, using a grab test. For
2
2.1 ASTM Standards:
evaluating sewing thread, refer to Test Method D204.
D123 Terminology Relating to Textiles
1.2 This test method is restricted to seams that are either
D204 Test Methods for Sewing Threads
obtained from an inflatable restraint cushion or prepared
D1776 Practice for Conditioning and Testing Textiles
off-line, specifically for testing, using fabric blanks, not ob-
D6799 Terminology Relating to Inflatable Restraints
tained from a previously sewn cushion assembly. Seams may
include but are not limited to sewn, OPW, glued, sealed and
3. Terminology
sewn, or fused (chemically or thermally). This test method can
3.1 For all terminology relating to D13.20, Inflatable
be used for either lot testing of production cushions, or for
restraints, refer to Terminology D6799.
research and development purposes.
3.1.1 The following terms are relevant to this standard:
1.3 This test method is used when the measurement of a
seam efficiency, seam failure, seam strength.
resistance to a specified force, a breaking force, a minimum
3.2 For all other terms related to textiles, see Terminology
elongation, or a combination thereof are required to determine
D123.
the seam strength, or seam integrity of a particular fabric for
inflatable restraint use.
4. Summary of Test Method
1.4 Procedures and apparatus other than those stated in this
4.1 Specimens either taken from inflatable restraint cush-
standard may be used by agreement between purchaser and
ions or made off-line using fabric blanks, specifically for
supplier with the specific deviations from the standard ac-
testing, are destructively tested in a tensile testing machine
knowledged in the report.
under laboratory conditions to determine seam strength and
seam efficiency and nature of the failure mode.
1.5 The values stated in either SI units or inch-pound units
are to be regarded separately as standard. The values stated in
5. Significance and Use
each system are not exact equivalents; therefore, each system
must be used independently of the other. 5.1 Seam strength testing is used for design validation and
for lot acceptance.
1.6 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
5.2 This test method constitutes the conditions, procedures,
responsibility of the user of this standard to establish appro-
and equipment by which either seams taken from inflatable
priate safety, health, and environmental practices and deter-
restraint cushions, or seam types that can potentially be used
mine the applicability of regulatory limitations prior to use.
for inflatable restraint cushions are tested for seam strength,
1.7 This international standard was developed in accor-
seam efficiency, and failure mode. It is intended to be used as
dance with internationally recognized principles on standard-
a guideline in establishing a written part specification or print.
ization established in the Decision on Principles for the
The specification or agreement of purchaser and supplier may
deviate from the procedures described herein when (based on
1
This test method is under the jurisdiction ofASTM Committee D13 on Textiles
2
and is the direct responsibility of Subcommittee D13.20 on Inflatable Restraints. For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Current edition approved Jan. 1, 2019. Published January 2019. Originally contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
approved in 1995. Last previous edition approved in 2013 as D5822 – 13. DOI: Standards volume information, refer to the standard’s Document Summary page on
10.1520/D5822-13R19. the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

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SCOPE
1.1 These practices cover procedures for the inspection and grading of coated and uncoated woven flat and one-piece woven (OPW) fabrics, and for the inspection and culling of cut parts made of such fabrics, all of which are used in the manufacture of inflatable restraint cushions.  
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Inspection Practice  
Section  
Fabric Rolls  
7  
Cut Pieces & OPW  
8  
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5.1 Qualitative and quantitative fiber identification is actively pursued by committee RA24 (Fiber Identification) of AATCC and presented in AATCC Test Methods 20 and 20A. Since precision and bias development is also part of the AATCC test methods, both AATCC and ASTM D13 have agreed that new development will take place in RA24. However, because there is valuable information still present in the ASTM standards, D13.51 has agreed Test MethodsD276 and D629 will be maintained as active standards by ASTM.  
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5.3 The effects of the various reagents used in the chemical methods on the residual fibers in a blend depend upon the history of the fibers and, unless otherwise stated, are generally too small o...
SCOPE
1.1 These test methods cover procedures for the determination of the fiber blend composition of mixtures of the fibers listed in 1.2. Procedures for quantitative estimation of the amount of moisture and certain nonfibrous materials in textiles are also described, for use in the analysis of mixtures, but these are not the primary methods for the determination of moisture content for commercial weights.  
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1.2.1 Natural Fibers:  
1.2.1.1 Cellulose-Base Fibers:  
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Hemp
Flax
Ramie
1.2.1.2 Protein-Base Fibers:  
Animal hairs (other than wool)
Silk, cultivated
Silk, Tussah
Wool  
1.2.2 Man-Made Fibers:  
1.2.2.1 Cellulose-Base Fibers:  
Acetate (secondary)
Rayon, viscose or cuprammonium
Triacetate
1.2.2.2 Synthetic-Base Fibers:  
Acrylic
Aramid
Modacrylic
Nylon 6, Nylon 6-6, others
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Polyester
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1.3 These test methods include the following sections and tables:    
Section  
Referenced Documents  
2  
Terminology  
3  
Summary of Methods  
4  
Uses and Significance  
5  
Sampling  
7  
Purity of Reagents  
6  
Moisture Content or Moisture Regain  
9  
Nonfibrous Materials  
8  
Mechanical Separation or Dissection  
10  
Chemical Test Methods:  
Summary of Methods  
11  
Specimens and Symbols  
12  
No. 1 Acetate Mixed With Other Fibers  
13  
No. 2 Modacrylic Mixed With Cellulosic Fiber or Wool  
14  
No. 3 Nylon 6 or Nylon 6-6 Mixed With Natural Fibers or Rayon  
15  
No. 4 Rayon Mixed With Cotton  
16  
No. 5 Wool or Polyester Mixed With Cellulosic Fibers or Silk  
17  
No. 6 Polyester or Acrylic Mixed With Wool  
18  
No. 7 Natural Cellulosic Material and Rayon Mixed With Acrylic, Modacrylic, and Polyester  
19  
No. 8 Polyester Mixed With Olefin  
20  
No. 9 Polyester Mixe...

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SCOPE
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1.2 This test method is also applicable to sheet-fed and coldset web offset printing ink vehicles.
Note 2: Vehicle is the liquid portion of the printing ink. Any substance that is dissolved in the liquid portion of the ink is a part of the vehicle.  
1.3 This test method is not applicable to ultra-violet (UV) or electron beam cured materials, which must be cured by exposure to UV light or an electron beam as part of the test for volatile content.  
1.4 This test method is based on Test Method D2369, in which the allowable ranges are ±0.1 g for specimen weight and ±5 °C for oven temperature. Interlaboratory studies have shown that specimen weight and oven temperature must both be more tightly controlled in order to improve the precision of test results for sheet-fed and coldset web-offset inks. Such inks typically contain a wide range of high-boiling hydrocarbons and often have a volatile content below 25 %.  
1.5 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.  
1.6 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. For a specific hazard statement see 7.5.1  
1.7 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.

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ASTM
ASTM D123-23(Terminology)
Standard Terminology Relating to Textiles

SCOPE
1.1 This standard is the compilation of all terminology developed by Committee D13 on Textiles.  
1.1.1 This terminology, consists mostly of definitions, which are specific to the textile industry. Meanings of the same terms used outside the textile industry can be found in other compilations or in dictionaries of general usage.  
1.1.2 The specific D13 subcommittee (SC) which has jurisdictional responsibility for every item is the first attribution noted after the definition. The SC terminology standard in which all the terms and definitions appear is listed by number after the jurisdiction for the term. The wording of an entry cannot be changed without the approval of the subcommittee which has jurisdiction. Users of this compilation should also review the SC terminology standard listed for more details or interpretations of these terms and their use by the SC having jurisdiction.  
1.2 In addition to being a specialized dictionary, Terminology D123 is also a tool for managing the committee's terminology. This includes finding, eliminating, and preventing redundancies, that is, where two or more terms relating the same concept are defined in different words. Redundancies can also occur when one definition is used for two or more terms.  
1.3 While the review for clarity and form are the responsibility of the terminology subcommittee, the concept of managing terminology is the broad responsibility of every writer of standards, specifically the task group leader and subcommittee chairman.  
1.4 Subsequent to a listing of specific subcommittee compilations, this standard is comprised of the following sections that are listed in the order in which they appear.  
1.4.1 Alphabetical listing of terms with definitions followed by SC attribution in brackets and SC terminology standard.  
1.4.2 Annex A1 Terms Relating to the Hand of Fabrics.  
1.4.3 Annex A2 Industry Accepted Synonyms.  
1.4.4 Annex A3 Terminology Taken From D13 Standards That Have Been Withdrawn.  
1.4.5 Annex A4 Terminology Relating to Leather.  
1.4.6 Annex A5 Terminology Revision Procedures.  
1.4.7 Appendix X1 Other Sources of Textile Terminology.  
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.

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