Rigid Polyurethane Systems for Refrigerators

CyclopentanePolyurethaneFoamSystems DJD-103 ProductsIntroduction DJD-103blendpolyolsusecyclopentaneasblowingagent,whichappliestorefrigerators,freezers,andotherinsulationproducts.Thecharacteristicsoftheproductsareasfollows:1.excellentflowability,thedensityofthefoamiswell-distributed,andthethermalconductivityislow; 2.excellentlow-temperaturedimensionalstabilityandgoodcohesiveness; 3.demouldtimeis6-8minutes. PhysicalProperties Appearance HydroxylValuemgKOH/g DynamicViscosity(25°C)mPa.s Gravity(20°C)g/ml StorageTemperature°C StorageStabilitymonth paleyellowtransparentviscousliquid 360-420 3000-4000 1.04-1.07 10-25 6 RecommendedRatio pbw DJD-103blendpolyols CP Isocyanate 100 12-14 136-142 TechnologyandReactivity(theexactvaluevarieddependingonprocessingconditions) ManualMixing MechanicalFoaming RawmaterialTemperature°C MoldTemperature°C CTs GTs TFTs FreeDensitykg/m3 20-25 35-40 12-16 75-85 100-120 25-26 20-25 35-40 8-12 55-65 70-100 24-25 FoamPerformance FoamDensitybyMolding Closed-cellRate ThermalConductivity(15°C) Compressivestrength (perpendiculartothedirectionofrising) DimensionalStability (24h,-20°C) (24h,100°C) GB/T6343 GB/T10799 GB/T3399 GB/T8813 GB/T8811 35-37kg/m3 ≥90% ≤22mW/(m.K) ≥150kPa ≤0.5% ≤1.0%