二甲基甲硅石油

[Features] -DY-201Twodimethylsiliconeoil,chemicalnameisPolydimethylsiloxane,whichformulais(CH3)3SiO[(CH3)2SiO]n-Si(CH3)3,thisproductsisakindoftransparent,colourlesspolydimethylsilixaneliquid,availableviscositiesrangingfrom5cpsto2000000cps. -Littlechangeinphysicalpropertiesoverawidetemperaturespan-arelativelyflatviscosity-temperatureslope,andserviceabilityfrom-50°Cupto200°C. -Excellentwaterrepellency. -Gooddielecticpropertiesoverawiderangeoftemperaturesandfrequencies. -Lowsurfacetension-readilywetscleansurfacestoimpartwaterrepellencyandreleasecharacteristics. -Viscositiesabove10mm²/salsoexhibitheatstability,oxidationresistance,verylowvapourpressures,andhighflashpoint. -Loworderoftoxicity -Essentiallyodourless -Solubleinawiderangeofsolvent -Non-greasyandnon-rancidifying [Technicalspecificatio intems index index 201-10 201-50 201-100 201-200 201-500 201-1000 Viscosity(25°C)mpa.s 10±2 50±5 100±5 200±10 500±50 1000±80 Flashpoint≥°C) 160 270 310 310 310 310 Specificgravity(25°C)g/cm3 0.930-0.940 0.955-0.965 0.960-0.970 0.962-0.972 0.965-0.975 0.967-0.975 Volatilecontent 1.5 1.0 1.0 1.0 1.0 1.0 Application RELEASEMATERIAL:Usedaloneoraspartofacompoundedformula, DY-201Fluidprovidesanon-carbonisingmouldreleaseforrubber,plastics,andmetaldiecastings. FOAMPREVENTITIVE:Extremelysmallamountsofthefluideffectivelycontrolfoaminmanyprocessingoperations,especiallyinnon-aqueoussystems. MECHANICALFLUID:Excellentviscosity-temperaturecharacteristics, thermalandchemicalstability,shear-breakdownresistance,compressibility,andrubbercompatibilitymakeDY-201Fluidoutstandingformechanical/hydraulicuses.Typicalusesincludehydrolicstabilisers,dampingmedia. •SURFACE-ACTIVEMATERIAL:Addedtovinylplastisols, DY-201Fluidimprovestheflowcharacteristics,de-aeratesand lubricatesthesurfaceofthecompletedpart. •LUBRICANT:Thefluidprovidesexcellentlubricationformostplasticandelastomericsurfaces.Lubricitywithmetalsdependsuponthecombinationinvolved.Careshouldbetakentoselectsuitablemetalsforpumpsandotheritemswithmovingparts. •COSMETICSANDSKINPREPARATIONS:DY-201Fluidisanimportantingredientinhandcreams,skinprotectants,suntanlotions,andhairgroomingaidsbecauseitformsanon-greasy,protectivefilmwhichresistswaterandwaterborneirritants,yetallowstheskintobreathe.Literatureisavailablethatdetailstheuseofthefluidincosmetics. •POLISHESANDCHEMICALSPECIALITIES:DY-201Fluidisusedinmostautomobileandfurniturepolishesforitseaseofapplication,highglosswithminimumrubbing,andadurablewater-repellantfilm.Itisalsousedinmanyotherspecialityformulations,includingaerosolstarchesandfabricconditioners.Additionalliteratureisavailable. •ELECTRICAL/ELECTRONICEQUIPMENT:Withexcellentdielectric properties,DY-201Fluidcanbeusedforbothinsulatingand dampingapplications.