Rigid foam system for spray insulation

Blend polyether polyol for spray insulation Physical properties AppearanceLight yellow to brown yellow transparent liquidOH(mgKOH/g)300-450Dynamic viscosity(25)mPa.s100-250Density(20)g/ml1.10-1.16Storage Temperature10--25Storage stabilitymonth6 Process and reaction characteristics Handed mixFor high pressure machineRatio POL/ISO1:1.0--1.1.101:1.0--1.10Rise times20--4015--35GTs80-20080-160TFTs≥150≥150Free Densitykg/m322-4022-38 Foam Properties Molded DensityGB/ 634360-80kg/m3Obturator rateGB/ 10799≥90%Thermal conductivity(15)GB/ 3399≤33mW/(m.K)Compressive strengthGB/T 8813≥300kPaAbsorptionGB/ 8810≤3(v/v)%Dimensional Stability(24h,100)GB/ T8811≤1.5% (24h,-30)≤1.0%The long-term heat resistance≤150