Insulated panels/conduit panneau/panel de conducto easy to install, it has a high density, good insulation, low leakage of air (which saves energy), easy to clean, environmentally friendly, non-itchy, and Freon free. Features: 1) Specification: 4,000 x 1,200 x 20mm 2) 80/80um aluminum foil, both sides embossed 3) Density: 60kg/m3 4) Compressive strength: 200N/mm2 5) Thermal conductivity: 0.021 W/m.K 6) Flame retardancy: B1 7) Friction coefficient: 0.0135