GM2715M(Aug99)

CARPETMATERIALS(FLOOR)

GM2715M

1SCOPE.Thisspecificationdescribesmaterialsthataresuitableforpassengerfloorapplicationsandfloormats.1.1Thetypereferstothewearperformanceofthecarpetandshallbeindicatedonthepartdrawing/SORandtheConstructionSheetinadditiontothespecificationnumber(i.e.,GM2715M,TypeI).

1.2Thematerialshallbeconstructedusingsyntheticfibers,dyedandfinishedwithanapprovedbackingtobecomeaccept-ableincolor,patternandphysicalpropertiesasoutlinedinthisspecification.2

REFERENCEDSTANDARDS.GM502MGM2751MGM9070PGM9126PGM9127PGM9128PGM9133PGM9200PGM9337PGM9538PGM9771PGMW3059GP-10AATCC8

AATCC107ASTMD2261ASTMD2646ASTMD3776ASTMD418-93ASTMD5034ASTMD5587ISO/IEC25SAEJ361SAEJ1351SAEJ1756SAEJ1767SAEJ1885

4

MATERIALCONSTRUCTION.

4.1COLORANDPATTERN.ThecolorandpatternshallbeapprovedbyNAColorandTrimwhenviewedinaccordancewith(SAEJ361).

4.2DYEMETHOD,FINISHANDBACKING.RefertotheConstructionSheetandthereleasingplatform’sengineeringdrawing.

5PHYSICALPROPERTIES.Allphysicalpropertytestingtobedoneonbackedmaterialsonly.Limitedpropertytestingtobedoneonunbackedcarpetmaterials,asspecifiedbytheNAColorandTrimengineer.

5.1WEIGHT(ASTMD3776,OPTIONC).RefertotheConstructionSheetandthereleasingplatform’sengineeringdrawingforweightspecifications.Cuteachspecimensquareorroundatleast130cm2.Weightatleast3specimens.5.2PILEHEIGHT(ASTMD418-93,SECTION13).RefertotheConstructionSheet.

5.3TENSILESTRENGTH(ASTMMETHOD-CONDITIONEDTESTING).

D5034,

GRAB

FloorMats........................................................310NminTuftedFloor.......................................................625Nmin5.3.1TensileStrengthafterAging.Wovenpolypropylenetuftingsubstrateonly.Ageadditionalcutsamples(warpandfill)for30days@93±2˚C.Thetensilestrengthshallbeaminimumof80%oftheoriginalvaluefoundpriortoaging.5.4TRAPEZOIDTEARSTRENGTH(ASTMD5587,CONDITION1-OPTION1).Thereportedvalueshallbetheaverageoftheindividualresultsineachdirection.

TuftedFloorandFloorMatCarpet....................90Nmin5.5TONGUETEARSTRENGTH(ASTMD2261-CONDITION1,CRE,300mm/minute,Option2).

Tuftedcarpetswithnonwoventuftingsubstratesonly.Recordthehighestpeakforceasthesingle-peakforcetothenearest0.1N.Thereportedvalueshallbetheaverageoftheindivid-ualresultsineachdirection.

TuftedFloorandFloorMatCarpet.....................53Nmin5.6BONDANDDEGRADATIONOFTHEBACKINGMATERIAL.

5.6.1Cut4samplesapproximately250x250mm.5.6.2Ovenage2samplesfor336h@93±2˚C.

5.6.3Conditionall4samples@−20˚Cforaminimumof4h.Foldeachofthe4samples(ovenagedandasreceived)facesidetofacesideandbacksidetobacksidearounda76mmdiametermandrelwhileatthe−20˚Ccondition.

3REQUIREMENTS.Unlessotherwisespecified,thematerialshallbetestedunderstandardconditions,21±2˚Cand50±5%RH.Conditionspecimensforaminimumof24hpriortotestingoruntilmoistureequilibriumisreached.Ifspecimensaretestedoutsideoftheconditionedenvironment,theyshallbetestedwithin10minutesofremoval.When3specimensaretobetested,theyshouldbecutacrossthesam-pleavoidinganycommonfibers.Specimensshouldnotbecutwithin50mmofanyedgeofthesample.Noindividualtestresultshallbelessthantheminimumorgreaterthanthemaxi-mumvalue.

3.1DESIGNANDENVIRONMENT.

MANUFACTURE

FOR

THE

3.1.1RestrictedandReportableSubstancesforParts(GMW3059).AllmaterialssuppliedtothisspecificationmustcomplywiththerequirementslistedinGMW3059,RestrictedandReportableSubstancesforParts.

3.1.2RecyclingGuidelines.Materialsdevelopedtothisspecificationshallbeoptimizedtoprovidemaximumend-of-lifecyclevalueutilizingtheRecyclabilityChecklistandGMRecyclingGuidelines.RecycledcontentshallbereportedtotheapprovingandprocuringMaterialsEngineeringdepart-mentsutilizingtheRecycledContentReportForm.ReferenceGMRecyclingDesignGuide,GM502M.

3.1.3LabAccreditation(ISO/IEC25orGP-10).TestingistobeperformedbyanaccreditedlaboratorycertifiedbyGMorcertifiedbyanaccreditingagencyrecognizedbyGMtoISO/IEC25orGMGP-10.

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GENERALMOTORSENGINEERINGSTANDARDSMaterialsandProcesses–Textiles

CARPETMATERIALS(FLOOR)

GM2715M

5.6.4Thebackingshallnotbreakorcrackorinanyotherwayshowsignsofdeterioration.

5.7TUFTREMOVALANDLOOPPULLOUT(GM9127P).Looppilecarpetonly,25Nasreceivedandafter30days@93±2˚C.

5.8FIBERLOSSANDWEAR(GM9337P).Tuftedcarpetsshouldbetestedforfiberlossandwear.

5.8.1FiberLoss.SpecimenstestedforfiberlossshallnothaveaweightlossgivenaYvalueof10%forTypeIcarpetsand5.69%forTypesII,III,IV,andV.

5.8.2Wear.Specimenstestedforwearmustachievearatingofsatisfactory.TuftedCarpetsonly;thereshallbenobackingfabricvisible.CarpetsintendedtobeusedinFloorApplicationsmustmeettheTypeI,II,III,IV,orTypeVrequirement.CarpetintendedtobeusedinFloorMatApplicationsmustmeettheTypeII,III,IVorTypeVrequire-ment.Threespecimensaretobetested.

TypeI:(1400taberwearcycles)

600cyclesforfiberloss,plusanadditional800cyclesforwear,foratotalof1400cyclesminimum.NOTE:Notsuitableforfloormats.TypeII:(2400taberwearcycles)

600cyclesforfiberloss,plusanadditional1800cyclesforwear,foratotalof2400cyclesminimum.TypeIII:(3000taberwearcycles)

600cyclesforfiberloss,plusanadditional2400cyclesforwear,foratotalof3000cyclesminimum.TypeIV:(4000taberwearcycles)

600cyclesforfiberloss,plusanadditional3400cyclesforwear,foratotalof4000cyclesminimum.TypeV:(5000taberwearcycles)

600cyclesforfiberloss,plusanadditional4400cyclesforwear,foratotalof5000cyclesormore.5.9SHRINKAGE(ASTMD2646).

Warpdirection........................................................1%maxFillingdirection...................................................1.5%max5.9.1Test1sample@80˚Cfor1h.

5.9.2Testasecondsample@37˚Cand95±2%RHfor24h.5.10MILDEW(GM9128P).Materialshallberatedsatisfac-tory.

5.11FLAMMABILITY(GM9070P).ThematerialshallnotburnortransmitaflamefrontacrossitssurfaceatarategreaterthanspecifiedinTable1of(GM9070P),afterthefollowingconditions:Asreceived,afteracceleratedaging(GM9200P).IfaspecimenhasadesignatedburnrateofDNI,SE,orSE/NBRtheresultantburnrateforuseinTable1shallbe0.

NOTE:Ifthematerialisacomposite(asdefinedinthetestprocedure)oristobeusedinacomposite,thecompositemustmeetthisrequirement.

5.12FOGGING(SAEJ1756).PhotometricProcedure:Bathtemperatureof85˚C;coolingtemperatureof38˚C;6htesttime;16hpostconditioningtime.Theamountoffogwhenmeasuredwitha60˚glossmetershallhavearatingof60unitsormore.Samplesthatresultinaresiduethatformsatranspar-entfilm,discernibledroplets(≤0.50mmindiameter),oranysignsofcrystallinity@40Xmagnification,shallbejudgedtohavenotpassedthisrequirement.Provideamagnifiedpictureofeachfogplatewithresults.

5.13ODOR(SAEJ1351).Reportboththewetanddryresults.Resultsshallnotbegreaterthan3.6

COLORPROPERTIES.

6.1COLORFASTNESSTOLIGHT(SAEJ1885).XENONARCMETHOD.Run2samples,1for6.1and1for6.3.

SolutionDyedCarpetMaterials;AllUVExposureAreas...........................................................................451.2kJ/m2PieceDyedCarpetMaterials;LowUVExposureAreas............................................................................112.8kJ/m26.1.1Anacceptablechangeinappearanceisdefinedasanoticeablevalue(lightness)andorchroma(saturation)changewithminimalhuechange.Thesampleshallalsoshownostiff-eningorfiberdegradationduetofinishesorbackingmaterialsused.

6.1.2SpectrophotometerReadings(SAEJ1767).Forinfor-mationonly.Visualobservationshalloverrideameasuredvalue.MeasureandrecordthecolorchangeonaSpectrophotometerwithaD65lightsourceanda10˚observer.Usethefollowingdifferencevaluesasguides:

∆E...........................................................≤3CIELABunits∆L...........................................................≤3CIELABunits∆C.............................................................≤1CIELABunit∆H.........................................................≤0.5CIELABunit6.2NATURALWEATHERINGEXPOSURE(GM9538PU/G-TSTL-XXX).AllcarpetdevelopmentswillbetestedattheGMProvingGroundsunderthefollowingrequirements:Solutiondyedcarpetswillbetested@102˚Cfor50000and105000SASRLangleys;110˚Cfor105000and190000SASRLangleys.Piecedyedcarpetswillbetested@85˚Cfor15000and50000SASRLangleys.Thespecimenswillbereviewedforinformationonlyforthe2001modelyear,inpreparationfora2002andfuturemodelyearrequirement.TheSASRLangleycriteriawillbeanacceptablechangeinappear-ancethatisdefinedasanoticeablevalue(lightness)andorchroma(saturation)changewithminimalhuechange.

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GENERALMOTORSENGINEERINGSTANDARDSMaterialsandProcesses–Textiles

CARPETMATERIALS(FLOOR)

GM2715M

6.3FIBERDEGRADATION(GM9771P).Performbeforeandafterxenonandnaturalweatheringexposure.Thespeci-menshallhavearatingof3orgreaterafterxenonornaturalweatheringexposure.GMNAColor&TrimEngineeringwillevaluatethereturnedDPGtestedspecimensforinformationonlyforthe2001modelyear,inpreparationfora2002andfuturemodelyearrequirement.

6.4DYESTABILITY(AATCC107).Theresultshallbe3orgreaterwhencomparedtotheAATCCChromaticTransferenceScaleaftertesting2h@50˚CusingStyle10clothwiththeedgescoldcutonly.

6.5COLORCROCK(AATCC8).Theresultshallbe3orgreaterwhencomparedtotheAATCCChromaticTransferenceScaleafter10strokes.

6.6RESISTANCETOWATERSPOTTINGANDFINISHDISTURBANCES(GM9133P).Thereshallbenochangeincolororfinishwhensubjectedto30dropsofdistilledwater.6.7SALTSTAININGORDISCOLORATION.Thereshallbenostainingordiscolorationwhensubjectedto30dropsofa5%byweightsaltsolution.

6.8CLEANABILITY(GM9126P).Thereshallbenosoil,rings,finishdisturbances,changeincolor,changeinnaporchangeinpile.

7INITIALSOURCEAPPROVAL.Noshipmentshallbemadebyanysupplieruntilrepresentativeinitialproductionsampleshavebeenapprovedbyengineeringasmeetingtherequirementsofthisspecification.

7.1CompletedcopiesoftheMaterialSafetyDataSheetmeetingGMinformationrequirementsmustbesubmittedwithanynewsubmissionsorwheneveracompositionchangehasoccurred.

8INSPECTIONANDREJECTION.Allshipmentsofmaterialorpartsundercontractorpurchaseordermanufac-turedtothisspecificationshallbeequivalentineveryrespecttotheinitialsamplesapprovedbyengineering.Thereshallbenochangesineitherformulationormanufacturingprocessespermittedwithoutpriornotificationandapprovalbyengineer-ing.Lackofnotificationbythesupplierconstitutesgroundsforrejectionofanyshipment.Whilesamplesmaybetakenfromincomingshipmentsandcheckedforconformancetothisspecification,thesuppliershallaccepttheresponsibilityforincomingshipmentsmeetingthisspecificationwithoutdepen-denceuponthepurchaser’sinspection.

9APPROVEDSOURCES.Engineeringqualificationofanapprovedsourceisrequiredforthisspecification.OnlysourceslistedintheGMCorporateMaterialsFileunderthisspecificationnumberhavebeenqualifiedbyengineeringasmeetingtherequirementsofthisspecification.Sourcesareavailablethroughtheon-lineMATSPCSystem.

10GENERALINFORMATION.ThisstandardwasoriginatedbytheTextileCommitteeinAugust1986,revisedfromFBMS24-2,24-4,24-5,24-6,24-7,24-8.Thelatestrevi-sionsinclude:RevJK

Date12/988/99

Description

Added5.21and6.2;Revised5.5,5.9,5.11,6.1

MajorrevisiontoseparateFloorandNon-floorrequirements.

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GENERALMOTORSENGINEERINGSTANDARDSMaterialsandProcesses–Textiles

CARPETMATERIALS(FLOOR)

GM2715M

GMCOLORCERTIFICATIONSHEET

©CopyrightAUGUST1999GeneralMotorsCorporationAllRightsReserved

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GENERALMOTORSENGINEERINGSTANDARDSMaterialsandProcesses–Textiles

CARPETMATERIALS(FLOOR)

GM2715M

GMPHYSICALCERTIFICATIONSHEET

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