道康宁DC170灌封胶上海祯敏.pdf

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1、ProductInformationElectronics®Sylgard170FastCureSiliconeElastomerFEATURES&BENEFITSTwo-part,1to1mix,black,generalpurposeencapsulantwithgoodLowviscosityflowabilityandflameresistance,fastercureatroomtempRapidroomtemporheatacceleratedcureAPPLICATIONSSylgard®170FastCureSiliconeElastomerissuitable

2、foruseasageneralpottingModeratethermalconductivityUL94V-0testedmaterialfor:Rapid,versatilecureprocessingPowersuppliescontrolledbytemperatureConnectorsShorterroomtempcurereducesSensorscycletimeIndustrialcontrolsLowviscosityenhancesflowandTransformersfillinnarrowspacesandaroundAmplifi

3、erscomplexgeometriesHighvoltageresistorpacksCanbeconsideredforusesRelaysrequiringaddedflameresistanceTYPICALPROPERTIESCOMPOSITIONSpecificationWriters:Thesevaluesarenotintendedforuseinpreparing1to1mixratiospecifications.PleasecontactyourlocalDowCorningsalesofficeoryourGlobalDowCorningConnec

4、tionbeforewritingspecificationsonthisproduct.PropertyUnitResultOneorTwoPart-TwoColor-BlackViscosity(PartA)cP3,436Pa-sec3.4Viscosity(PartB)cP1,287Pa-sec1.2Viscosity(Mixed)cP2,361Pa-sec2.3SpecificGravity(UncuredPartA)-1.38SpecificGravity(UncuredPartB)-1.38ThermalConductivityBTU/hrft°F0.23W/m°K0.

5、4WorkingTimeat25°C(PotLife-minutes)minutes3.9CureTimeat25°Chours0.2DurometerShoreA-41.45DielectricStrengthvolts/mil350kV/mm14TYPICALPROPERTIES(continued)PropertyUnitResultVolumeResistivityohm*cm2.42E+15DielectricConstantat100Hz-3.53DielectricConstantat100kHz-3.45DissipationFactorat100Hz-0.0038

6、DissipationFactorat100kHz-0.0008DESCRIPTIONaverythin,uniformcoatingandthendependent.PleaserefertothedataDowCorning®brandsiliconewipedoffafterapplication.Aftertable.encapsulantsaresuppliedastwo-partapplication,itshouldbethoroughlyliquidcomponentkitswithamixratiocuredpriortoapplicationoftheUSEFU

7、LTEMPERATUREof1to1.Whenliquidcomponentsaresiliconeelastomer.AdditionalRANGESthoroughlymixed,themixturecuresinstructionsforprimerusagecanbeFormostuses,siliconeencapsulantstoaflexibleelastomer,whichiswellfoundintheinformationsheetsshouldb