Advantage of Polyurethane Panels Properties Polyurethane Foam Polyurethane Foam Thermal Conductivity (W/m. °C) 0.015 0.029 Heat Transfer Coefficient (at 50 mm.thk) (Kcal/m² .hr. °C) 0.352 0.674 Max. working Temp (°C) 120 80 Flammability Self extinguished Flammable Panel Thickness Two times less Two times more Moisture Deterioration No Little   Heat Transfer Coefficient at Different Thickness Panel Thickness (mm.) Heat Transfer Coefficient K (Kcal/m² .hr. °C) Cold Storage room Temp (°C) Thickness (mm.) if Polystyrene foam Panel 50 0.352    -5 to +10 100 75 0.235 -25 to -5  150 100 0.176  -35 to -25 200 125 0.141  -45 to -35 250 150 0.117 Less -45 300

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