Designation:D5822−13StandardTestMethodforDeterminingSeamStrengthinInflatableRestraintCushions1ThisstandardisissuedunderthefixeddesignationD5822;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthemeasurementofseamefficiencyandthemaximumseamstrengthininflatablere-straintcushionscomposedofwovenfabricswhenaforceisappliedperpendiculartotheseam,usingagrabtest.Forevaluatingsewingthread,refertoTestMethodD204.1.2Thistestmethodisrestrictedtoseamsthatareeitherobtainedfromaninflatablerestraintcushionorpreparedoff-line,specificallyfortesting,usingfabricblanks,notob-tainedfromapreviouslysewncushionassembly.Seamsmayincludebutarenotlimitedtosewn,OPW,glued,sealedandsewn,orfused(chemicallyorthermally).Thistestmethodcanbeusedforeitherlottestingofproductioncushions,orforresearchanddevelopmentpurposes.1.3Thistestmethodisusedwhenthemeasurementofaresistancetoaspecifiedforce,abreakingforce,aminimumelongation,oracombinationthereofarerequiredtodeterminetheseamstrength,orseamintegrityofaparticularfabricforinflatablerestraintuse.1.4Proceduresandapparatusotherthanthosestatedinthisstandardmaybeusedbyagreementbetweenpurchaserandsupplierwiththespecificdeviationsfromthestandardac-knowledgedinthereport.1.5ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemarenotexactequivalents;therefore,eachsystemmustbeusedindependentlyoftheother.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D123TerminologyRelatingtoTextilesD204TestMethodsforSewingThreadsD1776PracticeforConditioningandTes...
