MS-BZ-99-2004 DaimlerChrysler

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1、DAIMLERCHRYSLERCORPORATIONNo:MS-BZ-99MaterialStandardDatePublished:2004-03-11CategoryCode:R-3Change:KEASLReq.:YesRESTRICTED:NoRUBBER-SILICONE-ENGINEINTAKEMANIFOLDGASKETS1.0GENERAL1.1PurposeThisstandardcoversseveralgradesofsiliconerubberusedforgasketsandsealsforintakemanifoldsystems.This

2、standardalsocoversagradeofsiliconerubberusedfortheRAMenginewaterpumpperimeterandintakemanifoldseals.Materialscoveredbythisstandardarecosteffectivesiliconeelastomers,whichresisttheeffectsoffuelvapor;conventionalcoolants;andhybridorganicadditivecoolants.Thesematerialsalsoholduptomoderatec

3、ompressiveforceswithoutdegradationofthesealintegrity.1.2GradeDesignationThepropercalloutshallbewrittenasMS-BZ-99xwhere“x”istheappropriategradeletterdesignationaslistedinthedatatables.1.3LimitationsonUsageSiliconescoveredbythisstandardarenotrecommendedforuseinapplicationswhichdirectlyexp

4、osethematerialtoliquidfuel.Siliconesarenotrecommendedfortemperaturesexceeding225°Ccontinuous,and250°Cintermittent.Exposureofthesematerialstovariousautomotiveservicefluidswillaffecttheselistedtemperaturelimits.1.4RecyclabilityPartscontaining100gramsormoreofrubbermusthavetheproperelastome

5、ricidentificationperSAEJ2332.Partscontaininglessthan100gramsofrubbercontentmaybemarkedwiththeproperSAEJ2332elastomericidentificationatthediscretionofthepartfabricatorordesignengineer.1.5RecycledMaterialContentReclaimedorregroundrubbershallnotbeincorporatedintocompoundscoveredbythisstand

6、ard.1.6LocationofDefinitionsThedefinitionsarelistedinSection7.0.2.0MATERIALCHARACTERISTICSMustconformtothegeneralmaterialcharacteristicsasoutlinedinCS-9800,Section3.1.MS-BZ-99,ChangeK,2004-03-11,Page1CopyrightDaimlerChrylserCorporation(02/19/2002)3.0CHEMICALCOMPOSITION***Thebaserubberfo

7、rpartsmadefrommaterialcoveredinthisspecificationshallbe100%silicone.ContacttheappropriateRubberGroupmaterialsengineerforanyvariancestothisrequirement.4.0PERFORMANCEREQUIREMENTSOFTHEMATERIALSealsandgasketsutilizinganedgebondedonmetalconfigurationmustpassthebondtestingoutlinedins