GM 2746M-2002 Headlining, Sunshade and Pillar Materials

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1、ENGINEERINGMaterialSpecificationGM2746MSTANDARDSTextilesHeadlining,SunshadeandPillarMaterials3.1.1LabAccreditation(ISO17025).Testingis1Scopetobeperformedbyalaboratoryaccreditedoraudited,byathirdpartyorganizationrecognizedThisspecificationdescribesaestheticfabricsbyGM,to

2、ISO17025.IncludeaScopeofAc-suitablefortrimmingheadlinings,sunshades,creditationoraScopeofActivityfromtheauditorpillars,speakercoversandothermiscellaneouswiththetestdata.applications.Thematerialsaremadefromsyn-theticfibroustextilematerialsandareeitherknit3.1.2Sampling.Al

3、ltestspecimensshallbeornonwoveninconstruction.Whenlaminatedtotakenfromtheareabeyondtheinitial2mofpro-foam,thefoamshouldmeetGM6083M.ductionandatleast50mmfromeitherselvageedge.Whenmultipletestspecimensarere-Note:SomefabricsaredesignedforH/Lapplica-quired,theyshallbetakend

4、iagonallyacrossthetiononlyandshouldnotbeusedonthepillars.widthoftherollandsuchthatnotwotestspeci-SeetheresponsibleGMengineeringdepartmentmensoverlapinthesamesetofyarns/threadstotodefinematerialssuitableforeachapplication.betested.Avoidtakingspecimensfromdam-aged,contami

5、natedordefectiveareascausedby2Referencesimproperhandlingormanufacturing.3.1.3StandardConditions(GMW3221-A).AllNote:Onlythelatestapprovedstandardsaretestspecimensshallbebroughttoequilibriuminapplicableunlessotherwisespecified.standardconditionsfortemperatureandmoisture2.

6、1Normative.andtestedinthatstateasdefinedinGMW3221AATCC8AATCC107CodeA,unlessthetestmethodindicatesthatASTMD751ASTMD1777standardconditioningisnotrequired.ConditionASTMD3774ASTMD3775specimensforaminimumof12hpriortotestingASTMD5034ASTMD5587oruntilmoistureequilibriumisreache

7、d.IfIS011014ISO17025specimensaretestedoutsidetheconditionedSAEJ361SAEJ1351environment,theyshallbetestedwithin10min-SAEJ1756SAEJ1767utesofremoval.SAEJ18853.1.4ColorandPattern(SAEJ361).Thecolor2.2GM.andpatternshallbeevaluatedandapprovedbyGM6083MGM9070Ptheresponsibleengine

8、eringdepartmentasanGM9133PGM9200PacceptablematchtotheengineeringapprovalGM9231PGM9318Psamplewhenviewedundercon