Appearance:whiteorstrawyellowpowder;Characteristics:easilydeliquesce;Relativedensity:2.23;Standard:PRCChemicalStandardHG/T3595-1999IndexesChemicalPureIndustrialGradeAgroGradeCalciumnitrite(basedondriedbasis),%≥949290Calciumnitrate(basedondriedbasis),%≤4.556Watercontent(basedondriedbasis）),%≤1.01.01.5Waterinsolublecontent(basedondriedbasis),%≤0.61.01.0Package:25kg/bag,plasticinsideandknittingbagoutside,oraccordingtocustomers'requirementsUse&applicationmethod1.Use1)Produceconcreteantifreezer:calciumnitritehashighsolubility,socanbemadeintosolutionorpowderasdemands.Usingthisantifreezeratnegativetemperaturecanpromotethehydrationofmineralsincement,andthefreezingpointofoperativetemperaturecanbereducedto-20οC.2)Producesteelrustinhibitor:calciumnitritecanpurifysteelandprotectitfromrust,andcanprotectsteelmaterialinconcretebuildingsandstructuresfromrust,toextendtheusefullifeofconcretebuildings.3)Produceconcretecoagulator:calciumnitriteisfreeofchlorineandalkali,capabletoreducealkaliaggregationofconcreteandimproveitsearlystrengthandcompressiveresistance.4)Calciumnitritecanbesuedascorrosioninhibitorforlubricatingagent.5)Calciumnitritecanalsobeusedinpharmaceutical,dyesandmetallurgyindustries,etc.2.Applicationmethod1)Inconcretebuildingsorstructures,calciumnitritecanbemadeintoliquidorpowder,orbeuseddirectly.2)Itissuggestedtousewarmwaterat30-35οCtosolvecalciumnitrite,andstirittoacceleratesolvation.3)Calciumnitritewillbecomeloosecakesafterlongstorageormoisturizedforitsinnerpackingbagwasbroken,butitsqualitywillnotbeaffected.Attention:1.Itisinorganicoxidant.Don'tputitintoyourmouth.2.Don'ttransportittogetherwithorganicammoniumsalt,acidorcyanide.3.Preventitfromhightemperature.Whenthetemperatureishigherthan220οC,itwillreduceanddecomposeintonitrousoxide.4.Duringtransportation,pleaseprotectitfromrainandinsolation,andprotectitspackagefrombreakage.5.Thewarehouseshouldbeventilatedanddry.)