GMW 14334 耐化学液体性

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1、WORLDWIDETestMethodENGINEERINGGMW14334MaterialsSTANDARDSChemicalResistancetoFluids4TestMaterial1Scope4.1TestMedium.ThetestfluidspecifiedintheNote:Nothinginthisstandardsupersedesmaterialspecificationshallbespecifiedontheapplicablelawsandregulations.draw

2、ingorinthemathdataperthedesignatedNote:IntheeventofconflictbetweentheEnglishcodeinTable1.Examplesforregionalcommercialanddomesticlanguage,theEnglishlanguageshallproductsaregiveninAppendixA.Ifmorethenonetakeprecedence.fluidisgivenunderacoding,thetestsha

3、llberepeatedforeachfluid.Theobjectofthistestprocedureistodeterminetheeffectsoffluidsonautomotivetrimmaterials4.2TestPiece.Ifpossiblecompletecomponentsandcomponents.Examplesoffluidsarecleaningshallbetested.Wheresize,configurationetc.agents,perspiration,

4、etc.Suchcomponentswillrestrictstesting,sectionsofconvenientsize,cutnormallyhaveorganiccoatedsurfaces,orbefromthecomponent,shallbeused.Aminimumofintegrallycoloredplasticorselfadhesivefilms,butthree(3)testpiecesshallbetested.othertypesofmaterialsorcompon

5、entsarenot4.2.1OrganicCoatings.Itisalsopermissibletoexcluded.usespeciallypreparedtestpanels.Thesizeshallbe(250±5)x(20±2)x(0.8to2.5)mm.Thetest2Referencespanelsshallbemadeofproductionintentsubstrates.CoatingshallbeappliedviaproductionNote:Onlythelatestap

6、provedstandardsareintentprocessesandinthethicknessesspecifiedapplicableunlessotherwisespecified.inthematerialspecification.2.1ExternalStandards/Specifications.4.2.2SelfAdhesiveFilms.ThefilmshallbeNoneappliedtotheproductionintentsurface.The2.2GMStandard

7、s/Specifications.organiccoatingorsubstrateshallbeinaccordancetotherelevantmaterialspecification.9981285B04019909982223L00005555TestMethod9982224L00005565.1SummaryofTestMethod.Ifnototherwise9985129GMW3221specifiedtherespectivefluidsareapplicableforthe2.

8、3AdditionalReferences.materialsspecifiedinTable2.ConditionedtestCAS-No.64-19-7piecesshallbeimmersedinthetestfluidforthetimespecifiedinTable2.ThetestpiecesshallbeCAS-No.7647-14-5removed,rinsedfreeofreagent,driedwithcleanCAS-No.7732-18-5c