Designation:C1147−14StandardPracticeforDeterminingtheShortTermTensileWeldStrengthofChemical-ResistantThermoplastics1ThisstandardisissuedunderthefixeddesignationC1147;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope*1.1Thispracticecoversthepreparationandevaluationofjointsbetweentwopiecesofweldablegradesofthermoplasticmaterials,backedandunbacked,(suchasthoseshowninTable1)upto2in.(50mm)inthickness.1.2Sincetherearenumerousnewtechnologiesandtech-niquesconstantlybeingdevelopedforplasticwelding,therearenoprofilesandproceduresthatcanbeconsideredasstandardforallplasticsatvariousthicknesses.Thispracticeisnotintendedtodefineprofilesandprocedures;however,itisintendedtoestablishmethodstoevaluateminimumshorttermweldfactorstobeachievedbythewelderfortherespectiveplastics.1.3Weldproceduresusedfortestpiecesshallreflectpro-cedurestobeusedinactualfabrication.1.4Weldingmethodstobeusedincludemachinewelding,extrusionwelding,andhotgaswelding.1.5Thispracticecanbeutilizedbyrelevantcertificationbodiestoassesswelderproficiencyandqualification.1.6Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpracticesanddeterminetheapplica-bilityofregulatorylimitationspriortouse.NOTE1—ThereisnoknownISOequivalenttothisstandard.2.ReferencedDocuments2.1ASTMStandards:2D883TerminologyRelatingtoPlasticsD4285TestMethodforIndicatingOilorWaterinCom-pressedAirD5947TestMethodsforPhysicalDimensionsofSolidPlasticsSpecimensE4PracticesforForceVerificationofTestingMachines3.Terminology3.1Definitions—Fordefinit...