VW 50180-EN 车内部件放射特性

VDLKSWAGENGRDUP

Groupstandard

VW50180Issue2025-01

Class.No.:55104

Descriptors:DUTchamber,condensatewater,emission,formaldehyde,interior,luggage

compartment,odortest,vehicleinterior

Parts,Components,Semi-FinishedProducts,andMaterialsintheVehi-cleInterior

EmissionBehavior

Previousissues

VW50180:1996-05,2000-07,2007-12,2015-05,2019-04

Changes

ThefollowingchangeshavebeenmadetoVW50180:2019-04:

a)Standardcompletelyreworked

b)

AppendixC

and

AppendixD

added

Contents

Page

1

Scope

2

2

Definitions

2

3

Abbreviations

3

4

Designation

3

5

Requirements

4

5.1

General

4

5.2

Testmethod/testingscheme

5

5.3

Partstono

whichemissionrequirementsapply

6

5.4

Exteriorpartsincontact

withthevehicleinterior

6

5.5

Agespecimens/packaging/storageof

7

5.6

Limits

7

5.6.1

Specialprocess

considerationsformaterialsandcablejackets

7

5.6.2

Particularitiesforpaintfinishes

7

5.6.3

Particularities

forwoodenmaterials

7

5.6.4

Limit

table

8

5.6.5

Permissible

tolerances

9

5.7

Sampling

14

5.8

Paint

films

14

6

Emissionin1-m

evaluationthe3DUTchamber(asperPV3942)

14

6.1

Scope

14

6.2

Requirementsparts,

forsemi-finishedproducts,andmaterials

16

Alwaysusethelatestversionofthisstandard.

Thiselectronicallygeneratedstandardisauthenticandvalidwithoutsignature.

Noteontheverbsofobligationwithintherequirementssentences:Both'shall'and'must'aredefinedasbinding.

Page1of29

Allrightsreserved.Nopartofthisdocumentmaybeprovidedtothirdpartiesorreproducedwithoutthepriorconsent

ofoneoftheVolkswagenGroup’sStandardsdepartments.|internal

©VolkswagenAG

VWNORM-2023-12

Page2

VW50180:2025-01

7

Substance

limitations

20

8

Documentation

21

9

Applicable

documents

22

10

Bibliography

22

AppendixA

23

A.1

Process

materialsspecimenpreparation

23

A.1.1

Basesurface

23

A.1.2

Applicationto

ofthematerialbetested

23

A.1.3

Specimenconditioning

24

A.1.4

Original

specimenweight

25

AppendixB

26

B.1

Listto

ofsubstancesbereported

26

AppendixC

28

C.1

Testpartsseat

fromwhole

28

AppendixD

29

D.1

BrandGroups

29

D.2

List

ofauthorizedlaboratories

29

D.3

on

Informationdatatransfer

29

1Scope

Thisstandardcontainsemissionrequirementsforparts,components,semi-finishedproducts,andmaterialsinthevehicleinteriorandluggagecompartmentaswellasforpartsthatcomeintocon-tactwithairflowingintothevehicleinterior.

Thevehicleinteriorincludesallparts,components,semi-finishedproducts,andmaterialsthatareinstalledinsidethepassengercompartmentorluggagecompartmentstartingfromthemetalskininward.

Duetodifferingprocurementandqualificationprocesses,theapplicationprofilesmaydifferbe-tweenBrandGroups.TherequirementscontainedinthisstandardapplytotheBrandGroups„Core“and„Progressive“.

TheBrandGroup„SportLuxury“hasrequirementsthatdifferfromthisstandard.Thesediffering

requirementsmustbeagreeduponwithpurchasingbrandfromtheBrandGroup„SportLuxury“.Carry-overparts(COPs)inprojectsoutsidetheBrandGroup„SportLuxury“mustadditionallyfulfilltherequirementprofileofthisstandard.

NOTE1:TheBrandGroupsareexplainedontheVolkswagenGroupinternetpage;seealso

sectionD.1

.

2Definitions

Processmaterials

Semi-finishedproduct

Materialsthatareused,e.g.,inbodymanufactureandarereleasedvia

KCMS

(e.g.,

PVC

fineseamsealingandcoarseseamsealing,sprayablesound-insulatingcompound[

SDM

])

Planararticles,typicallyintheformofrollgoods,suchasfilms,lengthsofmaterial,textiles,leather,bitumen

Page3VW50180:2025-01

3

ABS

ASA

ASSY

BMG

CAS

CLP

Abbreviations

Acrylonitrile-butadienestyrene

Acrylic-styrene-acrylonitrile

Assembly

Buildsampleapproval

ChemicalAbstractsService

RegulationonClassification,Labelling,andPackagingofSubstancesandMixtures

CMR

CarcinogenicMutagenicReprotoxic

DNPH

Dinitrophenylhydrazine

DVD

Sound-insulatingroofreinforcement

EMP

Initialsampleinspection

ESM

Expandedsheetmaterial

FID

Flameionizationdetector

FPK

Freelyprogrammableinstrumentcluster

FPS

Frontpassengerside

GB

Glassballs

GF

Glassfiber

HDF

High-densityfiberboard

HPLC

High-performanceliquidchromatography

KCMS

GroupChemicalsManagementSystem

KTL

Cathodicelectrocoating

LAH

PerformanceSpecification

MDF

Medium-densityfiberboard

MS

Massspectrometry

PA

Polyamide

PBT

Polybutyleneterephthalate

PC

Polycarbonate

PE

Polyethylene

PET

Polyethyleneterephthalate

PMMA

Polymethylmethacrylate

POM

Polyoxymethylene

PP

Polypropylene

PPE

Polyphenyleneether

PPF

Productionprocessandproductrelease

PUR

Polyurethane

PVC

Polyvinylchloride

SBBR

Rearcombinationlamp

SDM

Sprayablesound-insulatingcompound

SMC

Sheetmoldingcompound

TDS-GC-MSanalysis

Coupledthermodesorptiongaschromatography/massspectrometryanal-ysis

TE

Tolueneequivalent

THF

Tetrahydrofuran

TVOC

Totalvolatileorganiccompounds

VOC

Volatileorganiccompounds

4

Designation

Exampleofadrawingnote:

Page4

VW50180:2025-01

EmissionbehaviorasperVW50180

5Requirements

5.1General

ApprovaloffirstsupplyandchangesasperVolkswagenstandard

VW01155

Materialconformityasper

VW91101

Thefollowinglimitsareminimumrequirementsthatmustbefulfilledbyparts,semi-finishedprod-ucts,andmaterials.

Onlymaterials,semi-finishedproducts,andprocessmaterialsthatfulfillthematerialsrequirementsasper

table2

,

table3

,

table5

,

table6

,and

table7

maybeused;seealsothetestingscheme.Thepartorrawmaterialsuppliermustverifythisusingtestpanelsorreferenceparts.Testsongranularmaterialsarenotpermissible.

Requirementsforpartsandcomponentsinthevehicleinterior,luggagecompartment,andair-con-veyingpartsusedinvehiclesoftheGrouparespecifiedin

table2

,

table3

,

table5

,

table6

,and

table7

ofthisstandard.

Deviationsfromtherequirementsspecifiedin

table2

,

table3

,

table5

,

table6

,and

table7

areonlypermittedinexceptionalcaseswiththewrittenapprovaloftheappropriatebranddepartmentforvehicleinterioremissions.

Iftheemissionvaluesoftheparts,semi-finishedproducts,materials,andprocessmaterialsdonotcomplywiththerequirements,thenthisisgroundsforrejectingthesample.

Substancelimitationsasper

section7

mustbeobserved.

Thefulfillmentoftherequirementsmustbeverifiedforsampleinspectionscopes(

BMG

,

EMP

,

PPF

,etc.)bymeansofresultsfromalaboratorythatisacceptedbytheGrouptoperformthere-spectivetestattherespectivepointintime(see

sectionD.2

).

Testlaboratoriescanobtainthequalification(acceptance)bysuccessfullytakingpartintheemis-sionroundrobintest,whichisregularlyperformedintheGroup.

Ifthereisevidenceofincorrectevaluations/measurements(>3cases)byaqualifiedlaboratory,thebranddepartmentforvehicleinterioremissionsresponsiblefortheroundrobintestcanman-dateare-qualificationorrevokethequalificationoftheaffectedlaboratory.

Theresultsofthetestmethodsandregulationslistedbelowforindividualpartsofthevehicleinteri-or,withthelimitsindicatedherein,arenotsuitedforthispurpose:

–Makingestimationsregardinganadverseeffectofthesubstancesemittedbythepartonthehealthofvehicleoccupants

–Servingasthebasisforestimatingtheconcentrationsthatmaybefoundinthevehicleinteriorwhenavehicleisstationary,beingdriven,orinanystatesimilartothatofvehicleoperation

Thelimitsarebasedontechnicallyfeasiblevalues,withthegoalofkeepingthesumofdetermina-bleconcentrationsinthevehicleaslowaspossible.

NOTE1:Basedonexperience,ifthelimitsofthisstandardareadheredto,itcanbeassumedthatcountry-specificrequirementsarealsometinthewholevehicle.

NOTE2:Questionsabouttherequirementsofthisstandardmaybedirectedtotheappropriatebranddepartmentsforvehicleinterioremissions.

Page5VW50180:2025-01

5.2Testmethod/testingscheme

Thefollowingtestmethodsareusedtoverifytheemissionpropertiesofamaterial/semi-finishedproduct/processmaterial/part:

1.CondensableconstituentsasperTestStandard

PV3015

2.Emissionsoforganiccompoundsasper

PV3341

(substancelimitationsasper

section7

mustbeobserved)

3.Odortestasper

PV3900

(variantsA2,A3,B2,B3,C2,andC3only)

4.Formaldehydecontentasper

PV3925

5.Device-under-test(DUT)chambermethodasper

PV3942

(substancelimitationsasper

section7

mustbeobserved)

Testingscheme:

Thetestingschemeisdescribedin

table1

.

Table1–Testingscheme

Usecase

Teststobeperformed

Notes

Material

PV3942

PV3015

PV3341

(incl.

MS

)

PV3900

PV3925

Testingusingatestpanelorreference

part,nogranularmaterial!

Materialsthatareusedtomanufacturepartsandcomponentsmustfulfilltherequirementsforalldesignatedteststhatmustbeperformed.

Ifthereisa„–“in

table2

fortestingamaterialtype,thenthegenerallimit(1strowof

table2

)mustbeused.

FortheDUTchambertestasper

PV3942

,thefollowingquantitiesmustbeused:

(1,00±0,05)kgor

(1,00±0,05)m2(sheetmaterial)

Part/

ASSY

,semi-finishedproduct,processmaterial:

–Partsasper

table5

–≥1kgor

≥40cm×40cmor≥3l

PV3942

PV3015

PV3341

(incl.

MS

)

PV3900

PV3925

Separablecomponentsofthe

ASSY

,whichistestedaspartof

PV3942

,arealsotestedindividuallyasper

PV3015

,

PV3341

,

PV3900

,and

PV3925

(se-lectionofrequiredtestsasper

table2

);exceptions:Parts/componentsin

table4

Fortests

PV3942

)ofsemi-finished

productsandprocessmaterials,thefol-lowingquantitiesmustbeused:

(1,00±0,05)kgor

(1,00±0,05m2)(sheetmaterial)

Page6

VW50180:2025-01

Table1(continued)

Usecase

Teststobeperformed

Notes

Parts/components

–<1kg;<40cm×40cm;<3land

–>30gingeneral

–>30gforpaintedparts

–>2gforparts/componentsmadeof

POM

Exceptions:Parts/componentsin

table4

PV3015

PV3341

(incl.

MS

)

PV3900

PV3925

Selectionofrequiredtestsasper

table2

Parts/components/standardparts

–≤30gingeneral

–≤30gforpaintedparts

–≤2gforparts/componentsmadeof

POM

Notestingonthepartrequired

Carry-overofpositivematerialtestingresultsontestpanelorreferencepart;nogranularmaterial

Thematerial/paintusedmustfulfilltherequirementsofVW50180.

One-timeverification,e.g.,bymaterialsupplier/qualifiedlaboratory(e.g.,datasheet)

5.3Partstowhichnoemissionrequirementsapply

Thefollowingpartsarenotsubjecttoanyemissionrequirements:

–Air-conveyingpartsupstreamoftheparticlefilter(e.g.,plenumchamberarea,feed)

–Bodyseals(doorseals,tailgate/trunklidseals,slidingsunroofseals)

–Bodyclosuresfrom

KTL

processesandthelike(

PP

fusibleplugs,adhesivepads)

–

ESM

foams(cavitypartitions)

–Coolanthoses

–Grommets,cablepassages,windowweatherstrip,windowguide(elastomerparts)

–Batteries,high-voltage(HV)components,incl.coolinghoses

–Chargingcable

–

Rear

combinationlamps(andsimilarparts)

–Reinforcement(inner)fortheroofspoiler

5.4Exteriorpartsincontactwiththevehicleinterior

Forexteriorpartsincontactwiththevehicleinterior,e.g.,atrunklid(madeofpolymermaterials),thelimitsforthecorrespondingmateriallistedin

table2

aredoubledforthetestsasper

PV3015

,

PV3341

,and

PV3925

.

Thelimitsfortestingasper

PV3900

remainthesame.

Page7VW50180:2025-01

5.5Ageofspecimens/packaging/storage

Transportation,packaging,andstorageofthespecimensdesignatedforemissiontestsmustbedesignedtopreventcross-contamination.

Thespecimensmustbepackagedinemission-blockingcompositealuminumfilm

1)

immediatelyaf-termanufactureandsubsequentlystoredinanemission-freeenvironmentat(23±3)°Cfor24h.Inthecaseofspecimensthatrequireasecondaryreactionperiodafterproduction,e.g.,subse-

quentcross-linkingoffoamsorpaintwork,thisperiodmustprecedethepackagingintocompositealuminumfilm.However,thisperiodmustnotexceed7daysat(23±3)°C.Anaccelerationofthesecondaryreaction/agingbymeansofincreasedtemperature(e.g.,asperTechnicalSupplySpeci-ficationTL226

[1]

,48hat60°C,„Conditioning“section)isnotpermittedinthecaseofspecimensforodororemissiontests.Thesecondaryreactiontimemustbedocumentedinthetestre-

port/specimendescription.

Ifspecimensthatdonotcorrespondtothisidealcasemustbeexamined(e.g.,fromstocks),theymustbepackagedimmediatelyafterbeingsampled(notpermissibleforreleasetesting).Themaxi-mumageatthetimeofpackagingmustnotexceed4weeksinsuchcases.

Thepackagedspecimensmustbemeasuredwithin2months.

Thespecimensmustberemovedfromthebag(7±1)daysbeforetestingandstoredat≤25°Cand(50±15)%relativehumidity.Rollgoodsmustbeunrolledandtheouterlayermustbediscar-ded.

Otherprovisionsstipulatedinthecitedtestspecificationsregardingtheageandthepackagingofthespecimensmustbeobserved.

5.6

5.6.1

Limits

Specialconsiderationsforprocessmaterialsandcablejackets

Iflimitsarenotspecifiedin

table2

forspecificprocessmaterialsorcablejackets(exceptchargingcablesforelectricvehicles),thegenerallimitsinthefirstrowapply.

Deviatingfromthesespecifications,alimitof≤4,0mustbecompliedwithfortheodortestasper

PV3900

,variant3.

5.6.2Particularitiesforpaintfinishes

Inthecaseofpartswithspecial-effectpaint(paintwithmetalflakes,paintwithanodizedeffect,paintswithchromeeffect)andhigh-glosspaint,alimitincreaseasper

table3

applieswithintheframeworkof

PV3341

.

NOTE3:Inthevehicleinterior,water-basedpaintsystemsmustbefavored.

5.6.3Particularitiesforwoodenmaterials

Therequirementsofthisstandardmustalsobemetforwoodandpartscontainingwoodthatareusedinthevehicleinterior.Inaddition,onlywoodenmaterialsofformaldehydeemission

classesE1orbetterarepermittedtobeused.

1)Weldablecompositefilmwithanintermediatealuminumlayerasper

DIN55531

issuitableasthepackagingmaterial.Itmustfulfill

therequirementsforimpermeabilitywithregardtogasanddiffusionandalsoprovideprotectionagainsttransportdamage.

Page8

VW50180:2025-01

5.6.4Limittable

Table2

appliestoallmaterialsandpartsinthevehicleinterior,luggagecompartment,andair-con-veyingpartsusedinGroupvehicles.

Thedash(—)in

table2

means:Thetestisnotperformedforcomponentreleases.Alltestsasper

table1

(1strow)mustbecarriedformaterialstesting.

Increasesinthelimitsmayariseasaresultofsurfaceapplications,suchasgreaseorpaintfilms,oradditionallayers,suchasback-injection-moldedtextile.Theseincreasesarelistedin

table3

andareaddedtothelimitsfortherespectivebasematerialspecifiedinthetable.

PartsthataretestedexclusivelyintheDUTchamber(

PV3942

)arelistedin

table4

(

section6

).

Page9VW50180:2025-01

5.6.5Permissibletolerances

Thespecificationsin

table2

,

table3

,

table5

,

table6

,and

table7

mustbeadheredto.Measurement-relatedandproduction-specificfluctuationsaretakenintoaccount,withapermissibletoleranceof+20%withrespecttoeachspecifiedlimit.Forodortests,atoleranceof+0,2,measuredfromthearithmeticmeanoftheindividualodorgrades,applieswithrespecttoeachspecifiedlimit.

Table2–LimitsfortestsasperPV3341,PV3015,PV3900,andPV3925

Partdesignationand

material

Emissionlimit(EG)

asper

PV3341

a)

(µgC/g)

Fogginglimit(K)

asper

PV3015

(mg)

Odortest

asper

PV3900

Limit(grade)

Variant2Variant3

Max.formaldehydeemission

asper

PV3925

(mg/kg)

Generallimitsforallparts/mate-rialsthatarenotlistedinthista-ble

50

2

3,0

3,5

5

Cottonnonwoven(semi-finishedproduct)

30

2

3,0

3,5

5

Partswithpaintfinish

Sameasforbasematerial+limitincreaseforpaintfinish(see

table3

)

Partswithspecial-effectpaint

Partswithhigh-glosspaint

Bitumen(semi-finishedproduct)

20

2

3,0

4,0

—

Floorcoverings(e.g.,polyester,variousbinders),needle-

punchednonwovens(e.g.,

PP

,

PET

),andadditionalfloormats

30

3

3,0

3,5

5

Insulatingcompound,sprayable

70

—

3,5

4,0

—

Sound-insulatingelements(cot-ton,mineralfiber/

PE

nonwoven,polyester,andmixedfibers)

(semi-finishedproduct)

30

2

3,0

3,5

5

Page10

VW50180:2025-01

Table2(continued)

Partdesignationand

material

Emissionlimit(EG)

Fogginglimit(K)

Odortest

Max.formaldehydeemission

asper

PV3341

a)

asper

PV3015

asper

PV3900

asper

PV3925

(µgC/g)

(mg)

Limit(grade)

Variant2Variant3

(mg/kg)

Elastomers/thermoplasticelasto-mers

50

2

4,0

Grease

b)

50

2

3,5

3

Webbingforseatbelt

50

2

3,5

5

Wood:Fiberform

HDF

,

MDF

,etc.),particleboard

70

2

3,0

3,5

7

Adhesivesofanytype

c)

50

3

—

4,0

7

Luggagecompartmentfacefab-ric(semi-finishedproduct)

50

2

3,0

3,5

3

Leatherette,

PUR

-basedor

PVC

-basedwith/withoutcot-ton/polyesterwarp-knitfabric(semi-finishedproduct)

30

2

—

3,5

3

Leather(semi-finishedproduct)

100

5

OK

d)

OK

d)

5

Heating,ventilation,andaircon-ditioning(HVAC)airfilters

(with/withoutactivatedcarbon)

30

—

3,0

3,5

5

Microfibernonwoven(semi-fin-ishedproduct)

50

2

3,0

3,5

7

PA

wovenfabric

30

2

—

3,5

3

PA

injection-moldedpartswith<30%

GF

/

GB

30

—

—

3,5

—

Page11VW50180:2025-01

Table2(continued)

Partdesignationand

material

Emissionlimit(EG)

Fogginglimit(K)

Odortest

Max.formaldehydeemission

asper

PV3341

a)

asper

PV3015

asper

PV3900

asper

PV3925

(µgC/g)

(mg)

Limit(grade)

Variant2Variant3

(mg/kg)

PA

injection-moldedpartswith≥30%

GF

/

GB

50

4,0

PBT

injection-moldedparts,un-filled

70

—

—

3,5

—

PBT

injection-moldedpartswithfiller

90

—

—

4,0

—

PC

/

PET

injection-moldedparts

30

—

—

3,5

—

PC

injection-moldedparts

20

3,5

PE

foams

20

—

—

3,5

—

PE

injection-moldedparts

40

—

—

3,5

—

PET

injection-moldedparts

20

—

—

3,5

—

PMMA

e)

20

e)

—

—

3,5

—

Trimcovermaterial(seat/head-liner)with/without

PUR

cutfoam

20

2

3,0

3,5

5

POM

injection-moldedparts

f)

20

5

PP

injection-moldedpartsin-cludinginternalgas-assistedin-jectionmoldingandMuCell®

technology

50

4,0

PP

,foamed

50

2

—

3,5

—

PUR

rebondedfoam

20

2

3,0

3,5

5

PUR

film(semi-finishedproduct)

20

2

—

3,5

5

Page12

VW50180:2025-01

Table2(continued)

Partdesignationand

material

Emissionlimit(EG)

asper

PV3341

a)

(µgC/g)

Fogginglimit(K)

asper

PV3015

(mg)

Odortest

asper

PV3900

Limit(grade)

Variant2Variant3

Max.formaldehydeemission

asper

PV3925

(mg/kg)

PVC

film(semi-finishedproduct)

20

2

3,5

Seatheaterelement

30

2

3,0

3,5

5

Styrene-basedthermoplastics:

ABS

,

ABS

/

PC

,

ASA

,

ASA

/

PC

50

—

—

4,0

—

Styrene-basedthermoplastics:

ABS

/

PA

,

ASA

/

PA

70

—

—

4,0

—

Doorsidetrimpanelpartswithsubstratemadeofmoldedwoodfibermaterial

30

2

3,0

3,5

7

a)Forcalculatingtheresult(cumulativevalue)of

PV3341

,alkanesandisoalkanesuptoC5arenotincluded/excluded.

b)Forthetestsasper

PV3015

,

PV3900

,and

PV3925

,1geachofgreaseisusedastheoriginalweight,deviatingfromthestandard.

c)Forthetests,afreeadhesivefilmmustbeproducedinthethicknessthatisusedintheactualapplication.Ifthisisnotpossible,theadhesivemustbeappliedinthisthicknesstoaluminumfoil,andthefoilwiththeadhesivecoatingmustbeexamined.Theadhesivemusthavefullycuredforthetest.Theadhesivemustbescrapedoffagainfor

PV3341

.Forcomparisonpurposes,500cm2ofthe

untreatedaluminumfoilmustalsobesupplied.Originalweightinodortest:0,5gperliterofcontainervolume;alwaysvariant3=80°C

d)Forgenuineleatherandlaminatedgenuineleather,variants4and5insteadofvariants2and3mustbeperformed.

e)For

PMMA

materials,aconditioningtemperatureof90°Cisspecifiedforthetest,deviatingfrom

PV3341

.Theconditioningtimeremains5h.Theusualcalibrationfactorisusedforthecalculation.

f)Forpartsinthevehicleinterior,partsintheluggagecompartment,andforair-conveyingparts,only

POM

typesthatareoptimizedintermsoftheirformaldehydeemissionsmaybeused.

Page13VW50180:2025-01

Table3–LimitincreasesforthetestsasperPV3341,PV3015,PV3900,andPV3925

Limitincreasefor

Limitincreasefortestingasper

PV3341

(µgC/g)

Limitincreasefortestingasper

PV3015

(mg)

Limitincreasefortestingasper

PV3900

Limit(grade)

Variant2Variant3

Limitincreasefortestingas

per

PV3925

(mg/kg)

Flocking

20

1

0

0

1

Greaseapplication

10

1

0

0

1

Adhesivecoating

20

1

0

0

1

Paintfinish

30

0

0

0

1

Special-effectpaint

150

0

0

0

1

High-glosspaint

a)

50

0

0

0

1

Back-injection-moldedtextile

0

2

0

0

5

a)Onlyinexceptionalcases(see

section5.6.2

)

Page14

VW50180:2025-01

5.7Sampling

1.Samplingisperformedatrepresentativepointsonthepart.Ifinhomogeneitiesareexpectedwithinthepart,atleast2specimensmustbetakenandexamined.

2.Thespecifiedlimitsarereferencedtotheaveragevalueofthespecimens.Individualvaluesarenotevaluated.

3.Iftheindividualmaterials/partscanbeseparatedfromoneanotherorremovedmechanicallyorbypreparation,theymustbeexaminedseparately.Theymayalsobetestedseparatelypri-ortotheassemblyofthefinishedpart.Ineachcase,therequirementsfortherespectiveindi-vidualmaterialsapply.

4.Ifsamplingisunclear,theappropriatebranddepartmentforvehicleinterioremissionsmustbeconsulted.

5.Specialconsiderationsforthesamplingandpreparationofprocessmaterialsaredescribedin

appendixA

.

5.8Paintfilms

Forpaintmaterialtests,anoriginalsubstrate(samematerialasfortheapplication)withathicknessof(2,0±0,2)mmisusedthathasbeencoatedwiththepaintinthespecifiedthickness.

Theapplicationprocessanddryingprocessmustbeidenticaltothoseusedintheoriginalapplica-tion.

Theemissionbehaviorofthepreparedpartisexamined.Inordertodeterminetheproportionofthepaintfilminthetestresult,themeasuredvalueofthesubstratemustbesubtractedfromthatofthewholepart.

Forthispurpose,anunpaintedsubstratepartofthesamethicknessthathasbeensubjectedtothesameconditionsasthepaintedpart(thedryingprocessinparticular)ismeasured.

Fortheodortestasper

PV3900

,onlythepaintedpartisevaluated.

6Emissionevaluationinthe1-m3DUTchamber(asperPV3942)

6.1Scope

1.ThemeasurementintheDUTchambermustbeperformedforallpartsspecifiedin

table5

.Thesameappliestopartsheavierthan1kg,withasurfacearealargerthan40cm×40cm,orwithavolumegreaterthan3l.Allpartsmustmeettherequirementsandlimitsspecifiedin

table5

to

table7

.

2.Forsomepartsandcomponents,thetestsasper

PV3900

,

PV3925

,

PV3341

,and

PV3015

mustbereplacedwiththeDUTchambertest.Thisappliestopartswithamultilayerstructure,heterogeneousmaterialcompounds,inseparableindividualcomponents,andmanylight-

weightindividualcomponents.

Theaffectedpartsarelistedin

table4

.

Page15VW50180:2025-01

„Destructive“materialtests,suchasthoselistedin

table2

,oftenproduceskewedresultsforpartswithamultilayerstructureduetothepreparationofspecimens.Forthisreason,onlyatestoncom-pletepartsasper

PV3942

(part-chambertesting)isperformedforsuchparts.Thesameappliestomodulesmadeupofanumberofsmallercomponents;inthiscase,thepart-chambertestlowersthetesteffortandexpenditure.Thelimitsandthetestscopearedefinedin

table5

and

table6

.

Table4–Parts/modules/componentsthataretestedandevaluatedexclusivelyin

theDUTchamber(

PV3942

)

Part/module/component

Airbag(wovenfabriconly,asasemi-finishedproduct)

Ambientlighting