ПИР ПУ Предварительно изолированные воздуховодов Панель трубопровод панно

Pre-insulated duct panel/conduit panneau is made of a layer of silicate modified fireproof rigid polyurethane. It is foam coated with aluminum foils and is a new alternative to galvanized ducts. Easy to install, it has a high density, good insulation, low air leakage (which saves energy), its 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: 50-60kg/m3 4) Compressive strength: 200N/mm2 5) Thermal conductivity: 0.021 W/m.K 6) Flame retardancy: B1 7) Friction coefficient: 0.0135 10pcs per package