Thecoilisawaterproofmaterialspeciallydevelopedforthewaterproofpre-layingpartofthebuilding.Itiscomposedofhigh-densitypolyethylenesheet,polymerself-adhesivefilmandparticleanti-adhesivelayerwithspecialperformancerequirements.Developednon-asphalt-basedpolymerpre-laidwaterproofingmembrane!Thepolymerself-adhesivefilmandtheunconformedcementslurryintheconcretepassthroughthecreepunderpressureandpenetratetheanti-adhesionlayerintheoppositedirectiontoformaneffectiveinterpenetratingbondandahugeintermolecularforce.Aftertheconcreteissolidified,thegapbetweenthepolymerself-adhesivefilmwaterproofingmembraneandthestructuralbodyispermanentlysealed,completelyeliminatingthehydrophobicpassage.Physicalpropertyindexofsyntheticpolymerpre-packagedcoldself-adhesivewaterproofingmembrane1.5mmthicksyntheticpolymerpre-platedwaterproofingmembrane(GB/T23457-2009)Serialnumberprojectindex1Tensilepropertiespull，N/50mm≥500Elongationatbreak，％≥4002Nailtearstrength，N ≥4003ImpactperformanceDiameter(10±0.1)mm,noleakage4Staticload20kg，Noleakage5Heatresistance70℃，2h，Nodisplacement,runny,dripping6Lowtemperaturebending-25℃，Nocrack7Anti-hydrophobic0.6MPa，Notdrowning8 Peelingstrengthwithpost-castconcrete，N/mm≥Notreatment2.0Cementpowdercontaminatedsurface 1.5SedimentcontaminatedsurfaceUltravioletagingHeataging9Peelingstrengthafterimmersioninconcretewithpost-concrete，N/mm≥1.510 Heataging（70℃，168h）Pullretentionrate，％≥90Elongationretentionrate，％≥80Lowtemperaturebending-23℃，Nocrack11ThermalstabilityExteriorNowrinkles,slips,runnySizechange，％≤2.0Advantagesofpolymerwaterproofingmembrane1.ReliablequalityThecoilmaterialislightinweightandeasytohangonthesidewallfaçadeandthetunnellining.Thelapjointisreliableandtheconstructionqualityiseasytoguarantee.Undertheinfluenceofenvironmentalfactorsintheactualconstructionsite,thecoilcanbeeffectivelybondedwiththeconcretestructuretoformacomposite+fusionwaterproofsystem,fullyrecoveringandexertingtheself-waterprooffunctionoftheconcretestructure,andreducingtheleakageprobability.Thewaterproofeffectisguaranteed,andthesinglelayercanmeettherequirementsofthefirst-gradewaterprooffortificationstandard.2.ShortentheconstructionperiodTherequirementsforthebasesurfacearelow,andthemoisturecontentofthebasesurfacehasnoeffectonthewaterproofworkersandisnotaffectedbytheweather.Comparedwiththetraditionalwaterproofingmethod,thestructureissimplified,andtheoptimizationoftheengineeringperiodisextremelyobvious.Forexample,theconstructionofthelevelinglayer,theisolationlayerandtheprotectivelayerandthemaintenancetimeareomitted,whichgreatlyshortensthetotalconstructionperiod.3.ThesystemissimpleandthecostislowThesimplificationofthescreedandprotectivelayersgreatlyreducesthesystemcostandalsoreducestheamountofearthworkexcavation.Thecontrolofthehiddenstructureofthebuildingisalsoveryobvious,suchas:lowleakageratereducesmaintenancecosts,speedsupconstructionprogress,andreducesfinancialexpenses.4.SafetyandenvironmentalprotectionNoneedforprimerandopenflameoperationtoavoiddangeroussources,eliminatesafetyhazardsandsaveresources.Polymerself-adhesivewaterproofingmembraneapplicationfieldKeqiangCompanyadoptsauniqueproductformula,sothattheperformanceoftheproductfarexceedsthegeneralself-adhesivecoil,anditsgoodperformancemakesitwidelyusedinvariousfieldsofwaterproofing.Thepolymerself-adhesivewaterproofingmembranecanbeappliedtovariousconcreteroofwaterproofinginindustrialandconstructionindustries,waterproofingprojectssuchasbasement,subwaytunnel,air-raidshelter,grainstorageandgarbagedisposal.Polymerself-adhesivewaterproofcoilpackagingandtransportationTheproductispackagedinaplasticwovenbag.Duringtransportation,itisstrictlyprohibitedtobeexposedtothesunandrain.Itisstrictlyforbiddentoapproachthefiresourcetopreventcollisionandensurethepackagingisintact.Whenstoringtheproduct,storeitinacoolandventilatedplace.Thecoilshouldbelaidflat.Thestackingheightshouldnotexceedfourlayers.Itisforbiddentoapproachthefiresource.Undernormalstorageandtransportationconditions,theshelflifeoftheproductis12months.Exceedingtheshelflifecanbeinspectedaccordingtotheitemsspecifiedinthisstandard.Ifitmeetstherequirements,itcanstillbeused.