Specifications:* Length: Customized* Effective width Wall panel: 940mm* Materials: Color steel sheet and Polyurethane board(PU)* Structure: Upper and lower layer: Color steel sheet; Middle: Polyurethane board* Thickness: Color steel sheet: 0.3-0.8mm ;Polyurethane board: 50mm 75mm 100mm* Polystyrene density: 40kg/m3* Conventional color: Red,Website:http://www.lq-steel-structure.com, white, blue, silver.* Lifetime: 20~30 years* Characteristic: Low cost ,Low weight, heat insulation, retardant, soundproof, water resistant, environmental ,easy to install* Application: Various walls referring to the large size factory buildings, storages, exhibition halls, gymnasiums etc.Advantage:* Dark nail connection, surface exposed screws, graceful building wall.* High flexural capacity, excellent mechanical properties of the wall, to reduce dependence on the auxiliary steel structure.* Insulation performance, reduce the costs of building the indoor air conditioning unit.* A variety of appearance, walls and beautiful.Features:* Thermal conductivity, low thermal conductivity of polyurethane sandwich composite panels, good insulation properties, is the best insulation material.* Plate appearance, easy installation* Polyurethane sandwich panel fire resistance* Non-toxic and odorless polyurethane sandwich panels* Use a wide temperature range* Waterproof, moisture