Designation:D580/D580M−15StandardSpecificationforGreigeWovenGlassTapesandWebbings1ThisstandardisissuedunderthefixeddesignationD580/D580M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisspecificationprimarilycoversgreigetapesandwebbingswovenfrom“E”electricalclassificationglassfiberyarns.Thisspecificationcanalsobeappliedtotapesandwebbingsmadeofotherglassfibergradesuponagreementbetweenthepurchaserandthesupplier.1.2Thisspecificationisintendedtoassistultimateusersbydesignatingthetypesoftheseproductsthataretypicalintheindustry.Thisspecificationpermitstheapplicationoforganicmaterialstotheglassfiberyarnduringmanufacturethathelpsfacilitateweaving.Whenusedaspermittedinthisspecification,suchmaterialswillnotinterferewiththein-tendedenduserequirements.1.3ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D123TerminologyRelatingtoTextilesD578SpecificationforGlassFiberStrandsD579SpecificationforGreigeWovenGlassFabricsD1059TestMethodforYarnNumberBasedonShort-LengthSpecimens(Withdrawn2010)3D1423TestMethodforTwistinYarnsbyDirect-CountingD1776PracticeforConditioningandTestingTextilesD1777TestMethodforThicknessofTextileMaterialsD3773TestMethodsforLengthofWovenFabricD3774TestMethodforWidthofTextileFabricD3775TestMethodforWarp(End)andFilling(Pick)CountofWovenFabricsD4963TestMetho...
