Designation:D4030/D4030M−15StandardSpecificationforGlassFiberCordandSewingThread1ThisstandardisissuedunderthefixeddesignationD4030/D4030M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationcoverstherequirementsforcontinu-ousglassfilamentsewingthread;andcontinuousfilamentcord,untreatedandneoprenetreated.1.2Thisspecificationisintendedtoassistultimateusersbydesignatingthetypesoftheseproductsthataretypicalintheindustry.1.3ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D123TerminologyRelatingtoTextilesD204TestMethodsforSewingThreadsD578SpecificationforGlassFiberStrandsD1423TestMethodforTwistinYarnsbyDirect-CountingD1776PracticeforConditioningandTestingTextilesD4963TestMethodforIgnitionLossofGlassStrandsandFabricsD7018TerminologyRelatingtoGlassFiberandItsProducts2.2ANSIStandard:ANSI/ASQCZ1.4SamplingProceduresforInspectionbyAttributes33.Terminology3.1ForallterminologyunderthejurisdictionofSubcom-mitteeD13.18(cord,neoprenetreated,sewingthread,twistbalance,untreated),refertoTerminologyD7018.3.2Fordefinitionsofothertextiletermsusedinthisspecification,refertoTerminologyD123.4.DesignationofConstruction4.1TheyarndesignationsoffiberglasscordsandsewingthreadsarespecifiedasdirectedinSpecificationD578exceptthatforthecordseithertheletter“U”ortheletter“N”isadde...
