Designation:D7859−19StandardPracticeforSpraying,Sampling,Packaging,andTestSpecimenPreparationofSprayPolyurethaneFoam(SPF)InsulationforTestingofEmissionsUsingEnvironmentalChambers1ThisstandardisissuedunderthefixeddesignationD7859;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thispracticedescribesstandardizedproceduresforthepreparation,spraying,packaging,andshippingoffreshspraypolyurethanefoam(SPF)insulationproductsamplestobetestedfortheiremissionsofvolatileorganiccompounds(VOCs)andsemi-volatileorganiccompounds(SVOCs).Theseproceduresareapplicabletobothclosed-cellandopen-cellSPFinsulationproducts.Potentialchemicalemissionsofinterestincludeblowingagents,solvents,aldehydes,aminecatalysts,diisocyanates,andflameretardants.1.2Typically,SPFinsulationsamplesarepreparedatonelocation,suchasachemicalmanufacturingfacilityorafieldproductinstallationsite.Thenewlypreparedsamplesarepreservedinasealedbag,placedinasecondarycontainer,andthenshippedtoalaboratoryfortesting.1.3ThesprayingofSPFinsulationproductsisonlytobeperformedbytrainedindividualsusingprofessionalsprayingequipmentundercontrolledconditions.Thedetailsofthesprayingequipmentandsprayingproceduresarebasedonindustrypracticeandareoutsideofthescopeofthispractice.1.4Thispracticealsodescribesproceduresforthelabora-torypreparationoftestspecimensfromopen-cellandclosed-cellSPFinsulationproductsamples.Thesespecimensarepreparedfortestinginsmall-scalechambersfollowingGuideD5116andinmicro-scalechambersthataredescribedinTestMethodD8142.1.5ProceduresforVOCandSVOCemissiontesting,gassamplecollectionandchemicalanalysisareoutsideofthescopeofthispractice.SuchprocedureswillneedtoaddressthepotentialforemissionsofsomeSVOCs,forexample,aminecatalysts,flameretardantandisocyanates,toadheretothechamberwalls.1.6ThevaluesstatedinSIuni...
