Pre-insulated Duct (PU) by FirstDuct for Air Duct. PIR (Poly Isocyanurate Rigid Form) is an improvement from PUR (Poly Urethane Rigid Form) with better fire retardancy, higher density and better R value.
Panel dimentions (mm) | 4000 x 1200 x 20 |
Density of Polyisocyanurate | 53 +/- 2 kg/m³ |
Aluminium foil thickness | 80 micron |
Fire retardant | Class 0 |
Thermal conductivity | 0.020 w/m.k |
Friction losses | 0.0135 |
Pressure in duct max | 2000 pa |
Working temperature | -60°C until +80°C |
Air flow max | 12m/s |
Weight | 1.48 kg/m² |
Pre-insulated Duct (PU) by FirstDuct for Air Duct