Designation:F948−94(Reapproved2011)StandardTestMethodforTime-to-FailureofPlasticPipingSystemsandComponentsUnderConstantInternalPressureWithFlow1ThisstandardisissuedunderthefixeddesignationF948;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversthedeterminationofthetime-to-failureofplasticpipingproductsunderconstantinternalpressureandflow.1.2Thistestmethodprovidesamethodofcharacterizingplasticsintheformofpipe,components,andsystemsunderanyreasonablecombinationofinternalandexternaltempera-turesandenvironments,undertheproceduresdescribed.1.3Thistestmethodcanbeusedtocharacterizethetestedplasticmaterialsorproducts,orboth,onthebasisofpressure-,orstress-rupturedatadevelopedundertheconditionspre-scribed.1.4Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.2.ReferencedDocuments2.1ASTMStandards:2D543PracticesforEvaluatingtheResistanceofPlasticstoChemicalReagentsD2122TestMethodforDeterminingDimensionsofTher-moplasticPipeandFittingsD2837TestMethodforObtainingHydrostaticDesignBasisforThermoplasticPipeMaterialsorPressureDesignBasisforThermoplasticPipeProductsD2992PracticeforObtainingHydrostaticorPressureDe-signBasisfor“Fiberglass”(Glass-Fiber-ReinforcedThermosetting-Resin)PipeandFittingsD3567PracticeforDeterminingDimensionsof“Fiberglass”(Glass-Fiber-ReinforcedThermosettingResin)PipeandFittingsE177PracticeforUseoftheTermsPrecisionandBiasinASTMTestMethods2.2PPIDocuments:TR-2Pol...
