Rigid Polyurethane Systems for Spray foam Insulati

Rigid Polyurethane Systems for Spray foam Insulation(DQT-501A)ProductIntroductionDQT501Aissprayblendpolyols,itreactswithisocyanatetoproducefoamwhichhasexcellentperformances,whichareasfollows, 1)fineanduniformitycells 2)lowthermalconductivity 3)perfectflameresistance 4)goodlowtemperaturedimentionalstability. Itappliestoallkindsofthermalinsulationengineeringwhichusesthespraytechnology,suchascoldrooms,pots,large-scalepipelinesandconstructionmetopeetc. PhysicalProperties Appearance HydroxylValuemgKOH/g DynamicViscosity(25°C)mpa.s Specificgravity(20°C)g/ml StorageTemperature°C StorageStabilitymonth Paleyellowtobrownviscousliquid 310-380 100-200 1.12-1.20 10-25 6 RecommendedRatio pbw DQT-501Ablendpolyols Isocyanate 100 100-105 ReactivityCharacteristics (Thetemperatureofthesystemis20°C,andtheexactvaluevarieddependingonprocessingcondition) CreamTimes GelTimes 3-5 6-10 FoamPerformances items TestMethod Index SprayDensity Closed-cellRate InitialThermalConductivity(15°C) CompressiveStrength AdhesiveStrength Elongationatbreak DimentionalStability24h-20°C 24h70°C WaterAbsorption OxygenIndex GB6343 GB10799 GB3399 GB/T8813 GB/T16777 GB/T9641 GB/T8811 GB8810 GB8624 ≥35kg/m3 ≥90% ≤24mW/(m.K) ≥150kPa ≥120kPa ≥10% ≤1% ≤1.5% ≤3% ≥26 Thedataprovidedabovearetypicalvalue,whicharetestedbyourcompany.Forourcompany'sproducts,thedataincludedinthelawdonothaveanyconstraints.