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ASTM D5427-03

(Practice)

Standard Practice for Accelerated Aging of Inflatable Restraint Fabrics

Standard Practice for Accelerated Aging of Inflatable Restraint Fabrics

SCOPE
1.1 This practice describes the procedures for the accelerated aging of inflatable restraint fabrics when required as a preparatory step for other test methods.
1.1.1 In Section 7, this practice lists four methods for conducting accelerated aging that are of concern to the design and manufacture of inflatable restraints. They are as follows:DescriptionSectionCycle aging8.4Heat aging8.5Humidity aging8.6Ozone aging8.7
1.2 This practice may be used in conjunction with other ASTM test methods when subsequent tests of physical properties are required of aged fabric specimens.
1.3 Procedures and apparatus other than those stated in this practice may be used by agreement between the purchaser and the supplier with the specific deviations from the standard practice acknowledged in the report.
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 are not exact equivalents; therefore, each system must be used independently of the other.
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-Sep-2003
Technical Committee
D13 - Textiles
Drafting Committee
D13.20 - Inflatable Restraints
Current Stage
Ref Project

Relations

Replaces
ASTM D5427-02 - Standard Practice for Accelerated Aging of Inflatable Restraint Fabrics
Effective Date
01-Oct-2003
Replaced By
ASTM D5427-03(2007) - Standard Practice for Accelerated Aging of Inflatable Restraint Fabrics
Effective Date
01-Jul-2007
Referred By
ASTM D5446-08(2019) - Standard Practice for Determining Physical Properties of Fabrics, Yarns, and Sewing Thread Used in Inflatable Restraints
Effective Date
01-Oct-2003

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ASTM D5427-03 - Standard Practice for Accelerated Aging of Inflatable Restraint FabricsASTM D5427-03 - Standard Practice for Accelerated Aging of Inflatable Restraint Fabrics
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ASTM D5427-03 - Standard Practice for Accelerated Aging of Inflatable Restraint Fabrics
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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: D 5427 – 03
Standard Practice for
1
Accelerated Aging of Inflatable Restraint Fabrics
This standard is issued under the fixed designation D5427; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
1. Scope 2.2 Military Standard:
MIL-STD-810E Environmental Testing and Engineering
1.1 This practice describes the procedures for the acceler-
5
Guidelines
ated aging of inflatable restraint fabrics when required as a
preparatory step for other test methods.
3. Terminology
1.1.1 In Section 7, this practice lists four methods for
3.1 Definitions:
conducting accelerated aging that are of concern to the design
3.1.1 For definitions of other terms used in this standard,
and manufacture of inflatable restraints. They are as follows:
refer to Terminology D123 and Terminology D6799.
Description Section
4. Summary of Practice
Cycle aging 8.4
Heat aging 8.5
4.1 After conditioning in the standard atmosphere for test-
Humidity aging 8.6
ing textiles, test specimens are subjected to accelerated aging
Ozone aging 8.7
for heat, humidity, ozone, or cycling.
1.2 This practice may be used in conjunction with other
4.2 Aged specimens are then reconditioned in the standard
ASTM test methods when subsequent tests of physical prop-
atmosphere for testing textiles for subsequent testing of the
erties are required of aged fabric specimens.
physical properties of inflatable restraint fabrics.
1.3 Procedures and apparatus other than those stated in this
practice may be used by agreement between the purchaser and
5. Significance and Use
the supplier with the specific deviations from the standard
5.1 For inflatable restraints, practices for conducting accel-
practice acknowledged in the report.
erated aging are designed to determine the aggravated effects
1.4 The values stated in either SI units or inch-pound units
on a fabric from exposures to heat, humidity, or ozone, or a
are to be regarded separately as standard. The values stated in
combinationthereof.Theseenvironmentalconditionsmayalso
each system are not exact equivalents; therefore, each system
be cycled in combination. The four accelerated aging proce-
must be used independently of the other.
dures of concern to the design and manufacture of inflatable
1.5 This standard does not purport to address all of the
restraints are referred to as cycle aging, heat aging, humidity
safety concerns, if any, associated with its use. It is the
aging, and ozone aging.
responsibility of the user of this standard to establish appro-
5.2 The environmental conditions described in this practice
priate safety and health practices and determine the applica-
are designed to allow restraints so that reliable comparisons
bility of regulatory limitations prior to use.
may be made between different fabrics and different laborato-
ries.
2. Referenced Documents
5.3 In order to achieve precise and reliable physical prop-
2.1 ASTM Standards:
erty comparisons of different fabrics, it is necessary to control
2
D123 Terminology Relating To Textiles
accurately the humidity, temperature, ozone, and cycling con-
2
D1776 Practice for Conditioning Textiles for Testing
ditions to which the fabric is subjected.
3
D6799 Terminology Relating to Inflatable Restraints
5.4 Fabric specimens are configured in accordance with the
E145 Specification for Gravity-Convection and Forced-
requirementsoftestmethodstobeconductedonthespecimens
4
Ventilation Ovens
subsequent to accelerated aging.
5.5 Unless otherwise specified by agreement between the
1
purchaser and the supplier, this practice shall constitute the
ThispracticeisunderthejurisdictionofASTMCommitteeD13onTextilesand
is the direct responsibility of Subcommittee D13.20 on Inflatable Restraints. conditions, procedures, and equipment by which inflatable
Current edition approved Oct. 1, 2003. Published October 2003. Originally
approved in 1993. Last previous edition approved in 2002 as D5427–02.
2
Annual Book of ASTM Standards, Vol 07.01.
3 5
Annual Book of ASTM Standards, Vol 07.02. AvailablefromtheDefensePrintingOffice,Building4D,700RobbinsAvenue,
4
Annual Book of ASTM Standards, Vol 14.02. Philadelphia, PA 19111-5093.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
D5427–03
restraint fabrics are conditioned and aged. It is intended to be 8.2.1 Ifduringplacementofthespecimenstheenvironmen-
used as a guideline in establishing a written material specifi- tal conditions within the chamber are no longer within pre-
cation.Thespecificationoragreementofthepurch
...

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Note 1: Specific test methods are applicable only to certain types of joint fillers, as stated herein.  
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