Hydrolyzedpolymaleicanhydride(HPMA)Properties:Theproduct,anorganicaliphaticacidpolymeride,hasitsmolecularweightintherangeof400—800.Itiseasilysolubleinwater,andpossesseshighchemicalandthermalstability.Sinceitsdissociationtemperatureisabove330℃,theproductexhibits***iousthresholdeffectsevenunderhightemperature＜350℃andhighpHvalue.Itshowsgoodscaling-preventioncapabilityagainstcarbonateandphosphatecontainingscales,andtheeffectivetimecanbeaslongas100hours.Thisproductcanbeusedtogetherwiththedewateringdemulsifiersforcrudeoil.Furthermore,theproductsofthedegradationareharmlesstowaterlivesaswellaspeopleandlivestock.Usage:Thisproductisusuallyusedinsystemslikecirculatedwater-cooling,oilfieldwater-injection,crudeoildewateringandfurnaceinternaltreatmentoflow-pressureboilers.Ithasgoodscaling-preventionanddescalingcapability,withascalingpreventionrateof98%.Whenitisusedwith1-2㎎/Lofzincsalts,itcaneffectivelyinhibitcorrosionofcarbonsteel.Theproductcanalsobeusedasbleachingagentintextileindustrytoreducethedustcontentinproducts.Specification:ItemsIndexesAppearanceBrownishyellowtransparentliquidSolidcontent48.0~50.0***eragemolecularweight＞300Brominevalue:㎎/L≤240(qualified);≤160(first-level)PH(1%watersolution)2.0~3.0Density(20℃g/㎝3)1.18~1.22Methodofuse:Thisproductisusuallyusedwithorganicphosphonateataconcentrationof2-5㎎/L.PackingandStorage:Inplasticbarrelsof200㎏or25㎏,thedurationofstorageisoneyear.)