Designation:D5427−09(Reapproved2014)StandardPracticeforAcceleratedAgingofInflatableRestraintFabrics1ThisstandardisissuedunderthefixeddesignationD5427;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticedescribestheproceduresfortheacceler-atedagingofinflatablerestraintfabricswhenrequiredasapreparatorystepforothertestmethods.1.1.1InSection7,thispracticelistsfourmethodsforconductingacceleratedagingthatareofconcerntothedesignandmanufactureofinflatablerestraints.Theyareasfollows:DescriptionSectionCycleaging(Option“A”or“B”)8.4Heataging(Option“A”or“B”)8.4.3.1Humidityaging(Option“A”or“B”)8.7Ozoneaging8.81.2ThispracticemaybeusedinconjunctionwithotherASTMtestmethodswhensubsequenttestsofphysicalprop-ertiesarerequiredofagedfabricspecimens.1.3Proceduresandapparatusotherthanthosestatedinthispracticemaybeusedbyagreementbetweenthepurchaserandthesupplierwiththespecificdeviationsfromthestandardpracticeacknowledgedinthereport.1.4ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmustbeusedindependentlyoftheother.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D123TerminologyRelatingtoTextilesD1776PracticeforConditioningandTestingTextilesD6799TerminologyRelatingtoInflatableRestraintsE145SpecificationforGravity-ConvectionandForced-VentilationOvens2.2MilitaryStandard:MIL-STD-810EEnvironmentalTestingandEngineeringGuidelines33.Terminology3.1ForallterminologyrelatingtoD13.20,Inflatablerestraints,refertoTerminologyE145.3.1.1...
