Designation:D4830/D4830M−98(Reapproved2021)StandardTestMethodsforCharacterizingThermoplasticFabricsUsedinRoofingandWaterproofing1ThisstandardisissuedunderthefixeddesignationD4830/D4830M;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thesetestmethodscovertheproceduresforcharacter-izingthermoplasticfabrics(forexamplepolyester,polyamide,polypropylene,andsoforth)usedinprefabricatedroofingandwaterproofingmembranes.1.2Proceduresappearinthefollowingorder:SectionUnitMass3Thickness4BreakingLoad,Elongation,andWork-to-Break5TrapezoidTearingStrength6PunctureStrength7StaticHeatStability8DynamicHeatStability91.3ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththestandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafety,health,andenvironmentalpracticesanddeter-minetheapplicabilityofregulatorylimitationspriortouse.1.5Thisinternationalstandardwasdevelopedinaccor-dancewithinternationallyrecognizedprinciplesonstandard-izationestablishedintheDecisiononPrinciplesfortheDevelopmentofInternationalStandards,GuidesandRecom-mendationsissuedbytheWorldTradeOrganizationTechnicalBarrierstoTrade(TBT)Committee.2.ReferencedDocuments2.1ASTMStandards:2D76/D76MSpecificationforTensileTestingMachinesforTextilesD123TerminologyRelatingtoTextilesD885/D885MTestMethodsforTireCords,TireCordFabrics,andIndustrialFilamentYarnsMadefromManu-facturedOrganic-BaseFibersD1117GuideforEvaluatingNonwovenFabrics(Withdrawn2009)3D1776/D1776MPracticeforConditioningandTestingTex-tilesD4354Practicef...
