Designation:E1559−09(Reapproved2016)StandardTestMethodforContaminationOutgassingCharacteristicsofSpacecraftMaterials1ThisstandardisissuedunderthefixeddesignationE1559;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thistestmethodcoversatechniqueforgeneratingdatatocharacterizethekineticsofthereleaseofoutgassingproductsfrommaterials.Thistechniquewilldetermineboththetotalmassfluxevolvedbyamaterialwhenexposedtoavacuumenvironmentandthedepositionofthisfluxonsurfacesheldatvariousspecifiedtemperatures.1.2Thistestmethoddescribesthetestapparatusandrelatedoperatingproceduresforevaluatingthetotalmassfluxthatisevolvedfromamaterialbeingsubjectedtotemperaturesthatarebetween298and398K.Pressuresexternaltothesampleeffusioncellarelessthan7×10−3Pa(5×10−5torr).Depositionratesaremeasuredduringmaterialoutgassingtests.Atestprocedureforcollectingdataandatestmethodforprocessingandpresentingthecollecteddataareincluded.1.3Thistestmethodcanbeusedtoproducethedatanecessarytosupportmathematicalmodelsusedforthepredic-tionofmolecularcontaminantgeneration,migration,anddeposition.1.4Alltypesoforganic,polymeric,andinorganicmaterialscanbetested.Theseincludepolymerpottingcompounds,foams,elastomers,films,tapes,insulations,shrinktubing,adhesives,coatings,fabrics,tiecords,andlubricants.1.5Therearetwotestmethodsinthisstandard.TestMethodAusesstandardizedspecimenandcollectortemperatures.TestMethodBallowstheflexibilityofuser-specifiedspecimenandcollectortemperatures,materialandtestgeometry,anduser-specifiedQCMs.1.6ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappro-priatesafetyandhealthpractic...
