阻燃标准fmvss302.docx

阻燃标准fmvss302.docx

《阻燃标准fmvss302.docx》由会员分享，可在线阅读，更多相关《阻燃标准fmvss302.docx（11页珍藏版）》请在冰豆网上搜索。

阻燃标准fmvss302

阻燃标准fmvss302

FEDERALSAFETYSTANDARDSMVSS302MOTORVEHICLESAFETYSTANDARDNO.302FLAMMABILITYOFINTERIORMATERIALS–PASSENGERCARS,MULTIPURPOSEPASSENGERVEHICLES,TRUCKSANDBUSESEFFECTIVE—SEPTEMBER1,1972

36FR2296512/2/71（Issued12/2）

40FR14318-193/31/75（Issued3/17）

40FR42746-79/16/75（Issued9/10）

40FR56667-812/4/75（Issued11/28）

63FR28922-575/27/98（Issued5/13/98）A63FR50995-10049/24/98（Issued9/21/98）

S1.Scope.ThisstandardspecifiesburnS4.1.1Reserved.

resistancerequirementsformaterialsusedinthe

occupantcompartmentsofmotorvehicles.

S4.2AnyportionofasingleorcompositeS2.Purpose.Thepurposeofthisstandardmaterialwhichiswithin1/2inchoftheoccupantistoreducethedeathsandinjuriestomotorcompartmentairspaceshallmeetthevehicleoccupantscausedbyvehiclefires,requirementsofS4.3.especiallythoseoriginatingintheinteriorofthe

vehiclefromsourcessuchasmatchesor

cigarettes.

Effective:

5/27/99S3.Application.ThisstandardappliestoR–

requirementsofS4.3.>S3A.Definitions.“Occupantcompartment

airspace”meansthespacewithintheoccupant

compartmentthatnormallycontainsrefreshableS4.2.1Anymaterialthatdoesnotadheretoair.othermaterial（s）ateverypointofcontactshall

meettherequirementsofS4.3whentestedS4.Requirements.separately.

S4.1TheportionsdescribedinS4.2ofthe

followingcomponentsofvehicleoccupantS4.2.2Anymaterialthatadherestoothercompartmentsshallmeettherequirementsofmaterial（s）ateverypointofcontactshallmeetS4.3:

Seatcushions,seatbacks,seatbelts,therequirementsofS4.3whentestedasaheadlining,convertibletops,armrests,alltrimcompositewiththeothermaterial（s）.panelsincludingdoor,front,rear,andside

panels,compartmentshelves,headrestraints,

floorcoverings,sunvisors,curtains,shades,

wheelhousingcovers;enginecompartmentEffective:

5/27/99covers,mattresscovers,andanyotherinterior

materials,includingpaddingandR–

A–NewMaterialAddedR–Revised

302–1–1R–DISTRIBUTED:

Oct.1998

FEDERALSAFETYSTANDARDSMVSS302MOTORVEHICLESAFETYSTANDARDNO.302FLAMMABILITYOFINTERIORMATERIALS–PASSENGERCARS,MULTIPURPOSEPASSENGERVEHICLES,TRUCKSANDBUSES

IllustrativeExample

Effective:

5/27/99

IllustrativeExample

R–<

>

surface,atarateofmorethan4inchesperC–

minute.However,therequirementconcerningwithmaterialBandistestedseparately.Partof

transmissionofaflamefrontshallnotapplytoamaterialBiswithin1/2inchoftheoccupant

surfacecreatedbythecuttingofatestspecimencompartmentairspace,andmaterialsBandC

forpurposesoftestingpursuanttoS5.adhereateverypointofcontact;thereforeBand

Caretestedasacomposite.Thecutisin

materialCasshown,tomakeaspecimen（b）Ifamaterialstopsburningbeforeithas1/2inchthick.>burnedfor60secondsfromthestartoftiming,

andhasnotburnedmorethan2inchesfromthe

S4.3（a）WhentestedinaccordancewithS5,pointwheretimingwasstarted,itshallbe

consideredtomeettheburn-raterequirementofmaterialdescribedinS4.1andS4.2shallnot

burn,nortransmitaflamefrontacrossitsS4.3（a）.

A–NewMaterialAddedR–Revised

302–1–2C–DISTRIBUTED:

Sept.1998

FEDERALSAFETYSTANDARDSMVSS302MOTORVEHICLESAFETYSTANDARDNO.302FLAMMABILITYOFINTERIORMATERIALS–PASSENGERCARS,MULTIPURPOSEPASSENGERVEHICLES,TRUCKSANDBUSES

1/2-inchclearancespacearoundthetopoftheEffective:

5/27/99cabinet,ten3/4-inch-diameterholesinthebaseR–

adhereateverypointofcontact;therefore,BandS5.1.2Priortotesting,eachspecimenisCaretestedasacomposite.Thecutisinmaterialconditionedfor24hoursatatemperatureofCasshown,tomakeaspecimen13mmthick.70Fandarelativehumidityof50percent,and

thetestisconductedunderthoseambientS4.3（a）WhentestedinaccordancewithS5,

conditions.materialdescribedinS4.1andS4.2shallnot

burn,nortransmitaflamefrontacrossits

surface,atarateofmorethan102mmperEffective:

5/27/99

minute.TherequirementconcerningR–

observationwindowinthefront,aclosable

（b）Ifamaterialstopsburningbeforeithasopeningtopermitinsertionofthespecimenburnedfor60secondsfromthestartoftiming,holder,andaholetoaccommodatetubingforaandhasnotburnedmorethan51mmfromthegasburner.Forventilation,ithasa13mmpointwheretimingwasstarted,itshallbeclearancespacearoundthetopofthecabinet,consideredtomeettheburn-raterequirementoftenholesinthebaseofthecabinet,eachhole19S4.3（a）.>mmindiameterandlegstoelevatethebottomof

thecabinetby10mm,alllocatedasshownin

Figure1.S5.Testprocedure.

S5.1.2Priortotesting,eachspecimenisS5.1Conditions.conditionedfor24hoursatatemperatureof

21:

C,andarelativehumidityof50percent,and

S5.1.1Thetestisconductedinametalthetestisconductedunderthoseambientcabinetforprotectingthetestspecimensfromconditions.>

drafts.Theinteriorofthecabinetis15inches

long,8inchesdeep,and14incheshigh.IthasaS5.1.3Thetestspecimenisinsertedglassobservation.windowinthefront,abetweentwomatchingU-shapedframesofclosableopeningtopermitinsertionofthemetalstock1-inchwideand3/8ofaninchspecimenholder,andaholetoaccommodatehigh.TheinteriordimensionsoftheU-shapedtubingforagasburner.forventilation,ithasaframesare2incheswideby13incheslong.A

A–NewMaterialAddedR–Revised

302–1–3R–DISTRIBUTED:

July1998

FEDERALSAFETYSTANDARDSMVSS302MOTORVEHICLESAFETYSTANDARDNO.302FLAMMABILITYOFINTERIORMATERIALS–PASSENGERCARS,MULTIPURPOSEPASSENGERVEHICLES,TRUCKSANDBUSES

FIGURE1

A–NewMaterialAddedR–Revised

302–1–4A–DISTRIBUTED:

July1998

FEDERALSAFETYSTANDARDSMVSS302MOTORVEHICLESAFETYSTANDARDNO.302FLAMMABILITYOFINTERIORMATERIALS–PASSENGERCARS,MULTIPURPOSEPASSENGERVEHICLES,TRUCKSANDBUSESEffective:

5/27/99

R–<

>

A–NewMaterialAddedR–Revised

302–1–5R–DISTRIBUTED:

Oct.1998

FEDERALSAFETYSTANDARDSMVSS302MOTORVEHICLESAFETYSTANDARDNO.302FLAMMABILITYOFINTERIORMATERIALS–PASSENGERCARS,MULTIPURPOSEPASSENGERVEHICLES,TRUCKSANDBUSESspecimenthatsoftensandbendsattheflamingincheslong,whereverpossible.Thethicknessofendsoastocauseerraticburningiskeptthespecimenisthatofthesingleorcompositehorizontalbysupportsconsistingofthin,materialusedinthevehicle,exceptthatiftheheat-resistantwires,spanningthewidthofthematerial’stoicknessexceeds1/2inco,toeU-shapedframeunderthespecimenat1-inchspecimen.iscutdowntothatthicknessintervals.Adevicethatmaybeusedformeasuredfromthesurfaceofthespecimensupportingthistypeofmaterialisanadditionalclosesttotheoccupantcompartmentairspace.U-shapedframe,widerthantheU-shapedframeWhereitisnotpossibletoobtainaflatspecimencontainingthespecimen,spannedby10-milbecauseofsurfacecurvature,thespecimeniswiresofheat-resistantcompositionat1-inchcuttonotmorethan1/2inchinthicknessatanyintervals,insertedoverthebottomU-shapedpoint.Themaximumavailablelengthorwidthofframe.aspecimenisusedwhereeitherdimensionis

lessthan14inchesor4inches,respectively,

unlesssurrogatetestingisrequiredunderS5.1.4Abunsenburnerwithatubeof

S4.1.1.3/8-inchinsidediameterisused.Thegas

adjustingvalveissettoprovideaflame,withthe

Effective:

5/27/99tubevertical,of11/2inchesinheight.Theair

inlettotheburnerisclosed.R–

testedshallbearectangle102mmwideby356

mmlong,whereverpossible.ThethicknessoftheEffective:

5/27/99

specimenisthatofthesingleorcompositeR–