RTV Silicone Rubber
E-640isverysuitableformakingsiliconerubberstonemolds.Itisfeaturedwithextremelylowshrinkage,goodfluidityandresistancetomanykindsofchemicals;Thismaterialdonotreleaseanyby-productwithlowmolecularweightduringitscuringprocess,andit'scuredfromtoptobottomandfromtheinsideandoutsidesimultaneously,namely,deepcuring.TheE-640sereiseplatinumcuredsiliconewillnothavetheproblemofdegradation,stickymoldsurfacecausedbytheexistenceofby-productofsmallmoleculesundercertainconditions,(suchasclosedenvironment,hightemperature).Knownfromourcustomer'sfeedback,itisveryconvenienttomakecementmolds,anditisahigh-qualitysiliconeforconstructionindustries.Furthermore,itcanbeappliedtomakemultiplepiecemoldsforproductswithcomplexdesign.
E-640isalsofeaturedwithlowshrinkageandnearlynilviscosity,goodfluidity;Withoutreleasinganyby-productwithlowmolecularweight,andit'scuredfromtoptobottom,fromtheinsideandoutsidesimultaneously.Itissuitablefortheproductswithmediumsizeorbigsize.
E-640canbeusedinthefieldofconstructionapplications.Becausethevulcanizingreactionsofadditioncuresiliconeisfundamentallydifferentfromtincuresilicone’s,ithassomecharacteristicsthatthecondensationcuretypedonothave,suchasadjustablecuringrate,beingcompletelyenvironmentallyfriendly,andsoon.Therefore,ourplatinumcuresiliconeisparticularlyapplicableforlargestonesmolds,artificialstonemolds,plasterandotherarchitectureelementsreplication.Thefollowingissomedetaileddataabouttheperformanceofthismodel:
|
Model |
Appearance |
Viscosity(cps) |
Hardness(A°) |
Tensilestrength(Mpa) |
Tearstrength(KN/m) |
Elongation(%) |
Mixingratio(%) |
Operatingtime(H) |
Curingtime(H) |
|
E-640 |
translucent |
30000±8000 |
42±2 |
≥4.0 |
≥7 |
≥200 |
2~3 |
2~5 |
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