UNF-5A Naphthalin reine Effektivität Retarding

ProductDescription UNF-5A Naphthalene pure highly effective retarding & water-reducing admixture have the characteristics of retarding, super-plasticized, water-reducing, less loss of slump. It is very effective concrete admixture to adopt in high temperature area. MainPropertiesandCharacteristics Excellenteffectofretarding:Itcanbeusedinretardingthesettingofconcretefor2hours to36hours,andinitialsettingandultimatehardeningalmostdelaythesamelongtime corresponding,sothatitsconvenientforconveyingatlongdistance.Withthewater-reducingrateof12%-25%,itcanimprovethefloating,permeation-proofing ability , and the workability of concrete, concrete compression resistant, and other physical mechanics mechanicswillbealsogained.Reducescementdosageby12%-25% without altering compression strength andslump. Good for many applications: Portland cement, ordinary Portland cement,Portlandfly-ash cement , Portland pozzolan cement and Portland blast Furnace-slag cement. Typicalperformance UNF-5Aimprovesinitialandultimatestrengths.Italsogetslesslossofslumpandimproves workabilityoftheconcretemorethantraditionalconcreteadmixture.Thelowercontentof Na2SO4,intheadmixture,willleadtomeettherequirementofthespecialcementconcrete engineeringprojectinthecoastlandandhighsaline-alkaliarea. PropertiesandAdding SupplyForm: Liquid Powder Color: DarkBrown Brown AdditionRate(%) 1.0-2.5 0.4-1.5 SolidContent(%)40±1 ----- WaterContent(%)----- ≤6 Fineness(30meshessieve%) ----- 5 Density(g/m,20) 1.20 ----- PH(ValueSolution5%)8.0±1.0 8.0±1.0 ClContent(%) 1 1 Na2SO4Content(%)1 1 FloatingforCementNetMortar(cm)22 22 CorrosionEffecttoSteel No No Dosage Inordertomeetspecificrequirements,UNF-5aA addition rate should be determined by the materials and the conditions of theexperimentsandthewater-reducing request . The scope of the UNF-5A liquid addition rate is from1.0literto2.5literper100kgcement materials including flyash,andtheUNF-5APowderadditionrateisfrom0.4kg-1.5kg/100kg cement materials includingflyash. Package UNF-5ALiquidisavailableinplasticdrumand1000L/drum. UNF-5A Powder is packed in plastic knitted bag lined with plastic film and 25 kg/bag. .