Designation:D5428−08(Reapproved2013)StandardPracticeforEvaluatingthePerformanceofInflatableRestraintModules1ThisstandardisissuedunderthefixeddesignationD5428;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticedescribestheproceduresandconditionsusedtoevaluatethephysicalperformanceofinflatablerestraintmodulesandmodulecomponentsduringandafterdeployment.1.2Thephysicalperformancecharacteristicsthatmaybeobtainedbythispracticeareinternalcushionpressuresdeter-minedbyinstrumentation,cushiongeometriesdeterminedbyhigh-speedphotography,andmaterialintegritydeterminedbyvisualinspection.1.3Thispracticeisapplicabletodriverandpassengersideinflatablerestraintmodules.1.4Proceduresandapparatusotherthanthosestatedinthispracticemaybeusedbyagreementbetweenthepurchaserandthesupplierwiththespecificdeviationsfromthepracticeacknowledgedinthereport.1.5ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmustbeusedindependentoftheother.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D123TerminologyRelatingtoTextilesD6799TerminologyRelatingtoInflatableRestraints2.2FederalStandard:3CFR49CodeofFederalRegulations2.3SAEStandard:4J211InstrumentationforImpactTest3.Terminology3.1Definitions:3.2ForallterminologyrelatingtoD13.20,InflatableRestraints,refertoTerminologyD6799.3.2.1Thefollowingtermsarerelevanttothisstandard:breakoutpressure,cushion,deployment,inflatablerestraint,inflator,maximuminflationpressure,module3.3Forallothertermsrelatedtotextiles...