2018/03/28

乐泰loctite438胶水是做什么用的?那里能找到它的资料?

乐泰loctite438胶水是做什么用的?那里能找到它的资料?

乐泰loctite438胶水是做什么用的?那里能找到它的资料?

 本文来自:汉高乐泰胶水(中国)有限公司 Henkel Loctite官网 www.loctite.net/c1299.html

以下是乐泰loctite438胶水的主要技术参数和产品的应用范围,英文版本。

TechnicalDataSheet

    LOCTITE® 438™

    February-2008PRODUCTDESCRIPTION    CureSpeedvs.BondGap

    ®    Therateofcurewilldependonthebondlinegap. ThinbondLOCTITE    438™  provides   the   following  product    linesresultinhighcurespeeds,increasingthebondgapwillcharacteristics:    decreasetherateofcure.

Technology    Cyanoacrylate

ChemicalType    Ethylcyanoacrylate    CureSpeedvs.Activator

    LMS    Wherecurespeedisunacceptablylongduetolargegaps,Appearance(uncured)  Blackliquid    applyingactivator tothesurface will improvecurespeed.Components    One part-requiresnomixing    However,thiscanreduceultimatestrengthofthebondandViscosity    Low    thereforetestingisrecommendedtoconfirmeffect.Cure    Humidity

Application    Bonding    CureSpeedvs.Time

KeySubstrates    Metals,Plastics andRubbers    Thegraphbelowshows theshear strengthdeveloped over

    ®    timeat22°C /50%RH on varioussubstratesandtestedLOCTITE  438™ is a rubber toughened adhesive with    accordingtoISO4587.

increasedflexibility andpeel strengthalongwithenhanced

resistancetoshock.Theproductprovidesrapidbondingona    7

    y

    x    m

wide range of materials, including metals,  plastics and    l

    o    nu    e

    6    p    i

    te

elastomers,aswell asporous andabsorbentmaterials like    E    m

    u    S

    ²    l

    0   A

wood,paper,leatherandfabric.    m 5    1

    -

    m    G

    /   4

TYPICALPROPERTIESOFUNCUREDMATERIAL    N

    ,

 SpecificGravity@ 25°C    1.1    h

    t    e

    3    at

    g    on

 FlashPoint-SeeSDS    rb

    ca

    n    ly

    Po

 Viscosity,Cone&Plate,mPa·s(cP):    e

    r  2    VC

    P

    -1    LMS    t

  Temperature: 25°C,ShearRate:1,000s    100 to250

    S  1

    nolic

    Phe

TYPICALCURINGPERFORMANCE    0

Undernormalconditions,theatmosphericmoistureinitiatesthe    0    10    20    30    40    50curingprocess. Althoughfullfunctionalstrengthisdeveloped    Cure Time, minutes

inarelativelyshorttime,curingcontinuesforatleast24hours

beforefullchemical/solventresistanceisdeveloped.    TYPICALPROPERTIESOFCUREDMATERIAL

CureSpeedvs.Substrate    Curedfor 24 hours @22°C

 Therateofcurewilldependonthesubstrateused. Thetable    PhysicalProperties:

    CoefficientofThermalExpansion,    80×10-6belowshowsthefixturetimeachievedondifferentmaterials    ISO11359-2,K-1

 at22°C/ 50%relativehumidity.Thisisdefinedasthetimeto    CoefficientofThermalConductivity ISO8302,    0.1developashearstrengthof0.1N/mm².    W/(m·K)

 FixtureTime, seconds:    GlassTransitionTemperature ISO11359-2,°C    130Steel (degreased)    30 to45

    LMS    Electrical Properties:

   Aluminum (Isopropanolwiped)    ≤60

    SurfaceResistivity,IEC60093,Ω    10×1015Zincdichromate    105 to120

    VolumeResistivity,IEC60093,Ω·cm    10×1015Neoprene    30 to45    DielectricBreakdownStrength,    25Rubber,nitrile    <5    IEC60243-1,kV/mm

   SBR    75 to90    DielectricConstant/DissipationFactor,IEC60250:

   ABS    10 to20    0.1-kHz    2.65/<0.02PVC    65 to90    1-kHz    2.75/<0.02Polycarbonate    90 to105    10-kHz    2.75/<0.02Phenolic    5 to10

   G-10Epoxy    20 to30

   Wood(oak)    45 to60    TYPICALPERFORMANCEOFCUREDMATERIALWood(balsa)    <5    AdhesiveProperties

    Curedfor 24 hours @22°C

    LapShearStrength,ISO4587:

    TDSLOCTITE®438™,   February-2008

   Steel (gritblasted)    N/mm²   19    HeatAging

    (psi)       (2,800)    Agedattemperatureindicatedandtested@22°C

   Aluminum    N/mm²   18    125

    (psi)       (2,600)    C

    °    8

    0°C

   Nitrile    N/mm²   0.3

    2

    2100

    (psi)       (40)

    @    10

   EPDM    N/mm²   0.4    0°

    C

    (psi)       (60)    th

    75

    g

    n

  BlockShearStrength,ISO13445:    e

    r

    t  50

   ABS    N/mm²   10    S    1

    21

    l    °

    (psi)       (1,500)    C

    a

    i

   PVC    N/mm²   12    t

    25

    n

    (psi)       (1,800)    I

   Polycarbonate    N/mm²   6    % 0

    (psi)       (820)    0    500    1000    1500    2000

   Phenolic    N/mm²   11    Exposure Time, hours

    (psi)       (1,500)

   G-10Epoxy    N/mm²   20    HeatAging/HotStrength

    (psi)       (2,900)    AgedunderconditionsindicatedandtestedattemperatureTensileStrength,ISO6922:    100

   Steel (gritblasted)    N/mm²   34

    C

    °    80 °C

    (psi)       (4,900)

    2

   Buna-N    N/mm²   4    2

    (psi)       (550)    @75

    °C

    100

    h

  SideImpactResistance, , J:    t

    LMS    n

   Aluminum    ≥4    e 50

    r    1

    t    21

    °CCuredfor 48 hours @22°C    S

    l

    a

  LapShearStrength,ISO4587:    i

    25

    t

    LMS    i

   Steel (gritblasted)    N/mm²   ≥15    n

    (psi)       (≥2,175)    I

    % 0

  180°PeelStrength,ISO8510-2:    0    100    500    1000

   Steel  (gritblasted)    N/mm     4    Exposure Time, hours

    (lb/in)     (20)    Chemical/SolventResistance

    Agedunderconditionsindicatedandtested @22°C.TYPICALENVIRONMENTAL RESISTANCE    %ofinitialstrengthCuredfor 72 hours @22°C    Environment    °C    100h    500h    1000hLapShearStrength,ISO4587:    Motoroil    40    100    100    100

   Steel (gritblasted)    Gasoline    22    100    100    95HotStrength    Ethanol    22    100    100    100Testedattemperature    Isopropanol    22    100    100    100

    100    Heat/humidity95%RH   40    100    100    95C

  °    Curedfor 72 hours @22°C

  2 75    BlockShearStrength,ISO13445:

  2

    Polycarbonate

  @

  h

  t  50

  g    Chemical/SolventResistance

  n

  e    Agedunderconditionsindicatedandtested @22°C.r

  t

  S 25    %ofinitialstrength%    Environment    °C    100h    500h    1000h

    0    Heat/humidity95%RH   40    100    100    100

    0    50    100    150    GENERALINFORMATION

    Temperature, °C    Thisproductisnotrecommendedforuseinpureoxygenand/or

    oxlyogreinnericrhotshyesrtesmtrsnagndxsidhiozuildg nmottbreiaslselectedasasealantfor

    Forsafehandlinginformationonthisproduct,consulttheSafety

    DataSheet(SDS).

Henkel Americas    Henkel Europe    Henkel AsiaPacific+860.571.5100    +49.89.320800.1800    +86.20.3623.0506

    Forthemostdirectaccesstolocalsalesandtechnicalsupportvisit:www.loctite.net/cs-xinwenzhongxin1.html  TDSLOCTITE®438™,   February-2008Directionsforuse:    IncaseproductsaredeliveredbyHenkelCorporation,ResinTechnology1. Forbestperformancebondsurfacesshouldbecleanandfree    Group,Inc.,orHenkelCanadaCorporation,thefollowingdisclaimeris

    fromgrease.    applicable:

 2. Thisproductperformsbestinthinbondgaps(0.05mm).    Thedatacontainedhereinarefurnishedforinformationonlyandarebelievedto

    bereliable.Wecannotassumeresponsibilityfortheresultsobtainedbyothers3. ExcessadhesivecanbedissolvedwithLoctitecleanupsolvents,    overwhosemethodswehavenocontrol.It istheuser'sresponsibilityto

    nitromethaneoracetone.    determinesuitabilityfortheuser'spurposeofanyproductionmethodsmentioned

    hereinandtoadoptsuchprecautionsasmaybeadvisablefortheprotectionofLoctiteMaterialSpecificationLMS    propertyandofpersonsagainstanyhazardsthatmaybeinvolvedinthehandlingLMSdated November-01,2005. Testreportsfor eachbatchare    andusethereof.Inlightoftheforegoing,HenkelCorporationspecificallyavailable for the indicated properties.  LMS test reports include    disclaims allwarrantiesexpressedorimplied, includingwarrantiesofselectedQCtestparametersconsideredappropriatetospecifications   merchantabilityorfitnessforaparticularpurpose,arisingfromsaleoruseforcustomeruse. Additionally,comprehensivecontrolsareinplaceto    of Henkel Corporation’s products. Henkel Corporation specifically

    idnislcladiimnsalnoystliabilitiytf.orchoenseiqsuceunstiialnorhienrceiidentfaldaarmioagesprofcanyeksindr,assure  product  quality  and  consistency.   Special  customer    compositionsisnottobeinterpretedasrepresentationthattheyarefreefromspecificationrequirementsmaybecoordinatedthroughHenkel Quality.    dominationofpatentsownedbyothersorasalicenseunderanyHenkelStorage    Corporation patentsthat maycoversuch processesorcompositions. WeStoreproductintheunopenedcontainerinadrylocation. Storage    recommendthateachprospectiveusertesthisproposedapplicationbeforeinformationmaybeindicatedontheproductcontainerlabeling.    repetitiveuse,usingthisdataasaguide.ThisproductmaybecoveredbyoneorOptimalStorage: 2°Cto8°C. Storagebelow2°Corgreaterthan    moreUnitedStatesorforeignpatentsorpatentapplications.

8°Ccan adverselyaffectproduct properties. Materialremoved    Trademarkusage

fromcontainersmaybecontaminated duringuse. Do not return    Exceptasotherwisenoted,alltrademarksinthisdocumentare trademarksofproducttotheoriginalcontainer.  HenkelCorporationcannotassume    HenkelCorporationin theU.S. andelsewhere.   ® denotesa trademarkreosnpdoitnisibilityotforrprotductwthicshehasrbeieonuscloyntainmiincaateedd.orIsftoredddiutindnearl    registeredintheU.S.PatentandTrademarkOffice.

informationisrequired,pleasecontactyourlocalTechnicalService

CenterorCustomerServiceRepresentative.    Reference1.2

Conversions

(°Cx1.8)+32=°F

kV/mmx25.4=V/mil

mm/25.4=inches

µm/25.4=mil

Nx0.225=lb

N/mmx5.71=lb/in

N/mm²x145=psi

MPax145=psi

N·m x 8.851= lb·itn

N·mm x0.142=oz·in

mPa·s=cP

Nhote:information provided inthisTechnicalData Sheet(TDS)includingthe

recommendationsforuseandapplicationoftheproductarebased onour

knowledgeandexperienceoftheproductasatthedateofthisTDS.Theproduct

canhaveavarietyofdifferentapplicationsaswellasdifferingapplicationand

twhorrkifnogrec,onnodtitlionlseifnorytohurseunitvirboilnitmyeonftothratraordeubtefyoorntdheourocdouncttriol.pHreonckeslsiss,

andconditionsinrespectofwhichyouusethem,aswellastheintended

applicationsandresults.Westronglyrecommendthatyoucarryoutyourown

priortrialstoconfirmsuchsuitabilityofourproduct.

Anritytlinabilityianlrreescpoectofnthetinfo(rsm)ratigoanrinithethTeechnnicealnDeatarSoheetiosraxncyluotheedr,

exceptifotherwiseexplicitlyagreedandexceptinrelationtodeathorpersonal

injurycausedbyournegligenceandanyliabilityunderanyapplicablemandatory

productliabilitylaw.

IncaseproductsaredeliveredbyHenkelBelgiumNV,HenkelElectronic

MatekriallsraNnVc,eHSenkpellaNseedaerlaintidonBaVll,yHneontketlTefchllnolionggi:esFranceSASand

IncaseHenkelwouldbeneverthelessheldliable,onwhateverlegalground,

Henkel’sliabilitywillinnoeventexceedtheamountoftheconcerneddelivery.

IncaseproductsaredeliveredbyHenkelColombiana,S.A.S.thefollowing

disclaimerisapplicable:

rTehceoinfornmdaattiioonnsforuseandapplicationoftheproductarebasedprovided inthisTechnicalData Sheet(TDS)includinngthuer

knowledgeandexperienceoftheproductasatthedateofthisTDS.Henkelis,

therefore,notliableforthesuitabilityofourproductfortheproductionprocesses

andconditionsinrespectofwhichyouusethem,aswellastheintended

arpiplictraitilosntsoacndfiresusltsc.Wsueitstriloitnyglyfrercopmromduecntd.thatyoucarryoutyourown

AnyliabilityinrespectoftheinformationintheTechnicalDataSheetoranyother

writtenororalrecommendation(s)regardingtheconcernedproductisexcluded,

exceptifotherwiseexplicitlyagreedandexceptinrelationtodeathorpersonal

inrjouryucctaliuasbeilditybylaowu.rnegligenceandanyliabilityunderanyapplicablemandatory

Henkel Americas    Henkel Europe    Henkel AsiaPacific+860.571.5100    +49.89.320800.1800    +86.20.3623.0506

    Forthemostdirectaccesstolocalsalesandtechnicalsupportvisit:www.loctite.net/cs-xinwenzhongxin1.html

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