JS聚羧酸系高性能减水剂英文.docx
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JS聚羧酸系高性能减水剂英文.docx
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JS聚羧酸系高性能减水剂英文
JSpolycarboxylatesuperplasticizer
ThisTheproductmeetsGB8076-2008andrailwayconstructionstandard2009152
JSpolycarboxylatesuperplasticizerisourlatestresearchanddevelopmentsuperplasticizerin2005,doesnotcontainharmfulsubstancesofformaldehydeandchlorineions,iscurrentlythemostpopulareco-friendlyconcreteadmixtures.Theproductisstable,noseparationwithlong-termstorage,noprecipitation,nocrystallizationinwinter;especiallysuitableforthepreparationofpumpingconcretewithhighdurability,highflow,high-strengthandfair-facedconcreteprojectswithhighqualityrequirementsfortheappearance.
TechnicalPerformance
Prtoductmodel
Name
JS-1standard
Polycarboxylatesuperplasticizer
JS-2retarding
Polycarboxylate
JS-3earlystrong
Polycarboxylate
(A)homogeneousindex
Appearance
lightyellowliquid
cementpastefluidity
≥280
Solidcontent
20±1%
retardingtime
canbeadjustedaccordingtouserrequirements
PHvalue
6-8
waterreductionrate
20%-40%
(B)concreteperformanceindicators
1,lowmixingamount,highwaterreduction.Dosageisusually0.3%to1.2%withwaterreductionupto30%above,whileusedinC50commodityconcretetherecommendeddosageis1.0%.
2,ithasgoodcompatibilitywiththecement,blendedmaterialsandotheradmixtures,withoutlossconcreteslumplossresistantafter2to3hoursofbasicandalmostwithoutbeingimpactedbythechangesoftemperature.
3,concretecohesionisgood,nosegregation,nobleeding,easypumpingconstruction.
4,withoutbleedingwaterlineonconcretesurface,nobigbubbles,smallcolordifferance,goodqualityofconcreteappearance.
5,verywiderangeofapplications,applicabletothepreparationofdifferentperformancerequirementsofconcrete,especiallyforhighperformanceconcreteofC20~C100.
6,itcaneffectivelycontroltheearlyhydrationofcementconcrete,suitableforthepreparationofconcretewithhugevolume,especiallyforthepreparationofhighvolumeflyashandslagmixedconcrete.Undernormaltemperatureconditions,theconcretesettingtimedependsoncementmineralpropertiesandthemolecularstructureofwaterreducer,thetimerangeofaffectinginitialandfinalsetting:
-30to+60minutes.
7,iahasacertainofreductioneffect,shrinkagerateof28-dayreducesby20%abovethannaphthalenesuperplasticizer,comparedwiththestandardconcrete,theratioofconcreteshrinkageislessthan100%.
8,comparedwiththeblankconcrete,three-daycompressivestrengthincreasesby50%to100%,28-daycompressivestrengthincreaesby40%to80%,90-daycompressivestrengthincreasesby30%to50%.
9,ithasafunctionofmicro-entraining,theaircontentofthecementmixedwiththissuperplasticizerisintherangeof2.0%to3.0%,theabilityoffreeze-thawresistanceandanti-carbonationsignificantlyincreasescomparedwithnormalconcrete,applicabletotheconcreteprojectswithhighdurability,highqualityrequirementsofappearance.
Usage
1,whileusingtheaddivivecontentsof(byweight)0.5%to1.2%topreparehighstrengthandmobilityC60concrete,theadditivecontentsincreaseuptomorethan1.2%.
2,theproductwillnotcompoundwithnaphthalenesuperplasticizer,whenusedinconjunctionwithotheradmixtures(e.g.retarder,rust,etc.),it'scompatibilityshouldbetestedinadvance.
3,conservation:
Afterfinalsettingofconcretecoverageandmoistureconservationmustbestartedimmediately.Winterconstructionwilltakemeasurestopreventsurfacesfrost-damaged.
Packagingandstorage
Thisproductusesplasticbucketsof200kgcapacityorbulktankersasitspackages,periodofvalidityisoneyear.Ifextended,ifexpiredandinspectionqualified,itcancontinuetobeused.
JS-BTconcreteslumplossresistantagent
ThisproductmeetsthestandardofGB8076-2008
Productoverview
JS-BTslumplossresistantagentisakindofhigh-molecularpolymerdevelopedbyourcompany,itdoesnotcontainanyharmfulsubstances,iscurrentlythemostpopulareco-friendlyproductsofslumplossresistantagents.Productperformanceisstable,noseparationwithlong-termstorage,noprecipitation,highslumplossresistance,suitableforthepreparationofpolycarboxylatesuperplasticizerpumpingconcretewithhighdurability,highflow,highstrengthandthefair-facedconcreteprojectswithhighrequirements.
Homogeneityindex
1.Appearance:
colorlesstransparentliquid
2,solidcontent:
40%(±1)
3,density:
1.07-1.09g/cm3
4,thealkalicontent:
<0.5%
5,nochlorineions,nocorrosionofsteel
Performance
1,lowdosage,thedosageisusually0.1%to0.4%oftheamountofcementitiousmaterials.
2,theproductgascontainingissmall,settingtimeisshort,canspeeduptheprojectmoldturnover.
3,comparedwiththecurrentdomesticproducedpolycarboxylatesuperplasticizerithasagoodcompatibility,whiletheslumplossresistantagenttopolycarboxylatesuperplasticizerratiois2:
8,theslumpalmosyhasnolossin2h.
4,concretecohesionisgood,nosegregation,nobleeding,convenientforpumpingconstruction.
5,averywiderangeofapplications,applicabletothepreparationofdifferentperformancerequirementsofconcrete,especiallyforthesiterequirementsofsmallslumpretention.
6,caneffectivelycontroltheearlyhydrationofcementinconcrete,suitableforthepreparationofconcretewithbigvolume,especiallysuitableforthepreparationofhighvolumeflyashandslagconcrete.
Usage
1,whileusingtheadditivecontentof0.1%to0.4%(byweight)ofcementitiousmaterial,inthesameamountofsolidcontent,itisrecommendedslumplossresistantagenttopolycarboxylatesuperplasticizerratiois1:
9to2:
8.
2,theproductwillnotcompoundedwithnaphthalenesuperplasticizer,whenusedinconjunctionwithotheradmixtures,thecompatibilitytestshouldbeperformedinadvance.
3,conservation:
Afterthesettingofconcretecoverageandmoistureconservationmustbestartedimmediately.Winterconstructionwilltakemeasurestopreventsurfacesfrost-damaged.
Packagingandstorage
1.plasticbucketsealedpackaging,200Kg/barreloraccordingtocustomer'sneeds.
2,theproductisnon-flammable,non-explosiveandwater-solublesolution,hasnon-corrosive,non-toxiceffects.
3,thetimeofvalidityoftheproductisoneyear,ifexpiredandinspectionqualified,itcancontinuetobeused.
NF-Ahighconcentrationofsuperplasticizer
TheproductmeetsthestandardofGB8076-2008
NF-Ahighconcentrationofsuperplasticizerisahighperformanceconcreteadmixtureprocessedandpurifiedfromnaphthalenesuperplasticizer,inadditiontohavingalltheadvantagesofAF-A1naphthalenesuperplasticizer,itcanavoidthealkali-aggregatereactioncausedbytheaggregateswithmoreactivity,orahumidenvironment,greatlyimprovethelifeofconcretestructures,isthepopularizedreplacementproductintwenty-firstcentury.
Homogeneityindex
Item
Index
Item
Index
Apprearance
Powder
yellowish-brownpowder
fineness
residueonsieveof0.315mm≤12%
Liquide
Sepialiquid
PHvalue
7-9
liquiddensity(g/ml)
1.20±0.02
chlorideioncontent
None
solidmoisturecontent
≤10%
defoamingtime
≤30seconds
sodiumsulfatecontent
≤5%
cementpastefluidity
240mm
Thekeytechnicalperformanceindicators
1,whiletheadmixturecontentisequivalentto0.75-1.5%ofcementitiousmaterials,thewater-reducingrateis15-30%.
2.thisproductadmixturecansavecementconsumptionof15-20%whilemaintainingworkabilityandstrengthofthesame.Keepingthesamemixratio,canincreasetheslumpofmorethan10cm.
3,theproducthasasignificanteffectonwaterdispersionreducing,canimprovetheworkabilityofconcreteinthecaseoflowwater-cementratio,improvetheflowofconcrete,maketheconcretesurfacesmooth,canimprovethebondstrengthofsteelinconcrete.
4,theproducthasasignificantearlystrength,enhanceeffect,powdercontentis0.75-1.5%cementitiousmaterials,concreteone-daystrengthcanbeincreasesby50-100%.3-daystrengthcanbeincreasesby40-70%,7-daystrengthcanbeincreasesby25-60%,28-daysstrengthcanbeincreasesby20-60%.
5,theproductisalowalkali,low-sodiumsulfate,high-purityproduct,itslowalkalicontentcaneffectivelyavoidconcretealkaliaggregatereaction.theconcretepreparedin temperatures below zerodonotcrystallize,hasnoprecipitation.Suitableforautomatedconstruction.
6,theproducthasbroadapplicabilityforcement,cancomprehensivelyimprovethemainphysicalandmechanicalpropertiesofconcrete,reducetheheatofhydrationheatofcement,significantlyimproveconcreteimpermeability,hasnoeffectonconcreteshrinkage.
Thephysicalandmechanicalpropertiesofconcrete
Testitem
technicalindicatorinthefactory
nationalstandard(GradeA)
waterreductionrate(%)
≥20
≥12
bleedingrateratio(%)
≤40
≤90
gascontent(%)
≤3.0
≤3.0
settingtimedifference(min)
initialsetting
≥+30
-90〜+120
finalsetting
≥+30
-90〜+120
compressivestrengthratioisnotlessthan(%)
1day
145
140
3days
140
130
7days
130
125
28days
120
120
ratioofshrinkage(%>
28days
≤120
≤135
effectoncorrosionofreinforcement
noncorroding
Shouldindicatewhetheritwillaffectcorrosionofreinforcementornot
ApplicationTechniques
1,thepowderiscalculatedasapercentageofcementitiousmaterials,liquidproductsiscalculatedbysolidcontent,thewatercontentissubtractedfromtheratio.
2,thelatteradmixingmethodisbetter,anappropriateextensionofthemixingtimecanfacilitateuniform.
3,theproductcanbeusedtopreparethecompositeantifreezeinwinter,toeffective
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- 关 键 词:
- JS 羧酸 性能 水剂 英文
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