タイトルまたは説明

It's made of a layer of silicate modified fireproof rigid polyurethane, foam coated with aluminum foils, and is a new alternative to galvanized ducts. Easy to install, it has a high density, good insulation, low leakage of air (which saves energy), easy to clean, environment protective, non-itchy, and Freon free. Features: 1) Specification: 4, **0 x 1, **0 x *0mm 2) *0/*0um aluminum foil, both sides embossed 3) Density: ****0kg/m3 4) Compressive strength: **0N/mm2 5) Thermal conductivity: 0.**1 W/m.K 6) Flame retardancy: B1