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陶氏环氧产品大全(五)酚醛(1)液体1 ,陶氏环氧产品大全(五)酚醛(1)液体1

D.E.N.?425EpoxyNovolacResinisaliquidreactionproductofepichlorohydrinandphenol-formaldehydenovolac.D.E.N.425EpoxyNovolacResinisanepoxidizedphenolicresinofhigherfunctionalitythanstandardbisphenol-Abasedliquidepoxyresins.Epoxynovolacresinscombine,inonemolecule,thethermalstabilityofaphenolicbackbonewiththereactivityandversatilityofanepoxy.Theyaredistinguishedbyparticulargoodthermalstability,mechanicalstrengthandresistanceagainstchemicals.Theyfindreadyacceptanceforliningpipelines,storagetanksandpumps.一、D.E.N.TM4251、概述D.E.N.?425EpoxyNovolacResinisaliquidreactionproductofepichlorohydrinandphenol-formaldehydenovolac.2、简介D.E.N.425EpoxyNovolacResinisanepoxidizedphenolicresinofhigherfunctionalitythanstandardbisphenol-Abasedliquidepoxyresins.Epoxynovolacresinscombine,inonemolecule,thethermalstabilityofaphenolicbackbonewiththereactivityandversatilityofanepoxy.Theyaredistinguishedbyparticulargoodthermalstability,mechanicalstrengthandresistanceagainstchemicals.Theyfindreadyacceptanceforliningpipelines,storagetanksandpumps.D.E.N.425EpoxyNovolacResinhasbeendevelopedtofillthegapbetweenthetwofunctionalstandardbisphenol-Fbasedliquidepoxyresinsandthehighviscousepoxynovolacresins.Ithasaviscositysimilartoastandardbisphenol-Abasedliquidepoxyresin.Themulti-functionality,±2.5epoxygroupspermole,ofD.E.N.425EpoxyNovolacResinproducesamoretightlycross-linkedcuredsystemthanbisphenol-Abasedliquidepoxyresinshavingimprovedhightemperatureperformanceandimprovedresistanceagainstvariouschemical.D.E.N.425EpoxyNovolacResincanbeformulatedtofullycureatambienttemperatureswiththecorrespondingcuringagentswithouttheneedofadditionalheatcure.3、典型应用Thisproductissuitableforuseinapplicationssuchas:Adhesives、CastingandTooling、CivilEngineering、Composites、MarineandProtectiveCoatings、PottingandEncapsulation4、典型性能5、安全和处理TheDowChemicalCompanyprovidesitscustomerswithaproductspecificMaterialSafetyDataSheet(MSDS)orSafetyDataSheet(SDS)tocoverpotentialhealtheffects,safehandling,storage,useanddisposalinformation.DowstronglyencouragesitscustomerstoreviewtheMSDSorSDSonitsproductsandothermaterialspriortotheiruse.6、产品监管TheDowChemicalCompanyhasafundamentalconcernforallwhomake,distribute,anduseitsproducts,andfortheenvironmentinwhichwelive.ThisconcernisthebasisofourProductStewardshipphilosophybywhichweassessthehealthandenvironmentalinformationonourproductsandthentaketheappropriatestepstoprotectemployeeandpublichealthandtheenvironment.TheDowChemicalCompanyhasenduringcommitmentstoResponsibleCare?inthemanagementofchemicalsworldwide.OurProductStewardshipprogramrestswitheveryindividualinvolvedwithDowproductsfromtheinitialconceptandresearchtothemanufacture,sale,distribution,anddisposalofeachproduct.

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